Home / 71,344.06-107,032.49-21,425.10

Finding the Fourth Proportional to 71,344.06, 107,032.49 and 21,425.10

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Solution

The fourth proportional to 71,344.06, 107,032.49 and 21,425.10 is: 32,142.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,344.06 : 107,032.49 = 21,425.10 : x
  2. Step 2: Convert to fraction form
    71,344.06/107,032.49 = 21,425.10/x
  3. Step 3: Cross multiply
    71,344.06x = 107,032.49 × 21,425.10
  4. Step 4: Simplify right side
    71,344.06x = 2,293,181,801.50
  5. Step 5: Solve for x
    x = 2,293,181,801.50/71,344.06
  6. Step 6: Final answer
    x = 32,142.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.