Home / 39,820.20-59,600.70-31,957.80

Finding the Fourth Proportional to 39,820.20, 59,600.70 and 31,957.80

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Solution

The fourth proportional to 39,820.20, 59,600.70 and 31,957.80 is: 47,832.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,820.20 : 59,600.70 = 31,957.80 : x
  2. Step 2: Convert to fraction form
    39,820.20/59,600.70 = 31,957.80/x
  3. Step 3: Cross multiply
    39,820.20x = 59,600.70 × 31,957.80
  4. Step 4: Simplify right side
    39,820.20x = 1,904,707,250.46
  5. Step 5: Solve for x
    x = 1,904,707,250.46/39,820.20
  6. Step 6: Final answer
    x = 47,832.69

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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.