Home / 42,431.18-58,555.95-23,311.20

Finding the Fourth Proportional to 42,431.18, 58,555.95 and 23,311.20

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Solution

The fourth proportional to 42,431.18, 58,555.95 and 23,311.20 is: 32,169.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,431.18 : 58,555.95 = 23,311.20 : x
  2. Step 2: Convert to fraction form
    42,431.18/58,555.95 = 23,311.20/x
  3. Step 3: Cross multiply
    42,431.18x = 58,555.95 × 23,311.20
  4. Step 4: Simplify right side
    42,431.18x = 1,365,009,461.64
  5. Step 5: Solve for x
    x = 1,365,009,461.64/42,431.18
  6. Step 6: Final answer
    x = 32,169.96

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Half scale
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Double scale
Find fourth proportional to 42,432.18, 58,557.33 and 23,312.20
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.