Home / 39,343.02-59,031.98-20,618.61

Finding the Fourth Proportional to 39,343.02, 59,031.98 and 20,618.61

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Solution

The fourth proportional to 39,343.02, 59,031.98 and 20,618.61 is: 30,937.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,343.02 : 59,031.98 = 20,618.61 : x
  2. Step 2: Convert to fraction form
    39,343.02/59,031.98 = 20,618.61/x
  3. Step 3: Cross multiply
    39,343.02x = 59,031.98 × 20,618.61
  4. Step 4: Simplify right side
    39,343.02x = 1,217,157,373.15
  5. Step 5: Solve for x
    x = 1,217,157,373.15/39,343.02
  6. Step 6: Final answer
    x = 30,937.06

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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.