Home / 42,148.76-58,163.56-23,029.19

Finding the Fourth Proportional to 42,148.76, 58,163.56 and 23,029.19

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Solution

The fourth proportional to 42,148.76, 58,163.56 and 23,029.19 is: 31,779.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,148.76 : 58,163.56 = 23,029.19 : x
  2. Step 2: Convert to fraction form
    42,148.76/58,163.56 = 23,029.19/x
  3. Step 3: Cross multiply
    42,148.76x = 58,163.56 × 23,029.19
  4. Step 4: Simplify right side
    42,148.76x = 1,339,459,848.51
  5. Step 5: Solve for x
    x = 1,339,459,848.51/42,148.76
  6. Step 6: Final answer
    x = 31,779.35

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Half scale
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Double scale
Find fourth proportional to 42,149.76, 58,164.94 and 23,030.19
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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.