Home / 42,312.09-58,390.70-23,193.12

Finding the Fourth Proportional to 42,312.09, 58,390.70 and 23,193.12

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Solution

The fourth proportional to 42,312.09, 58,390.70 and 23,193.12 is: 32,006.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,312.09 : 58,390.70 = 23,193.12 : x
  2. Step 2: Convert to fraction form
    42,312.09/58,390.70 = 23,193.12/x
  3. Step 3: Cross multiply
    42,312.09x = 58,390.70 × 23,193.12
  4. Step 4: Simplify right side
    42,312.09x = 1,354,262,511.98
  5. Step 5: Solve for x
    x = 1,354,262,511.98/42,312.09
  6. Step 6: Final answer
    x = 32,006.51

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Half scale
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Double scale
Find fourth proportional to 42,313.09, 58,392.08 and 23,194.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.