Home / 39,915.92-59,818.25-20,171.43

Finding the Fourth Proportional to 39,915.92, 59,818.25 and 20,171.43

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Solution

The fourth proportional to 39,915.92, 59,818.25 and 20,171.43 is: 30,229.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,915.92 : 59,818.25 = 20,171.43 : x
  2. Step 2: Convert to fraction form
    39,915.92/59,818.25 = 20,171.43/x
  3. Step 3: Cross multiply
    39,915.92x = 59,818.25 × 20,171.43
  4. Step 4: Simplify right side
    39,915.92x = 1,206,619,541.74
  5. Step 5: Solve for x
    x = 1,206,619,541.74/39,915.92
  6. Step 6: Final answer
    x = 30,229.03

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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.