Home / 62,781.40-86,617.20-35,553.76

Finding the Fourth Proportional to 62,781.40, 86,617.20 and 35,553.76

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Solution

The fourth proportional to 62,781.40, 86,617.20 and 35,553.76 is: 49,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,781.40 : 86,617.20 = 35,553.76 : x
  2. Step 2: Convert to fraction form
    62,781.40/86,617.20 = 35,553.76/x
  3. Step 3: Cross multiply
    62,781.40x = 86,617.20 × 35,553.76
  4. Step 4: Simplify right side
    62,781.40x = 3,079,567,140.67
  5. Step 5: Solve for x
    x = 3,079,567,140.67/62,781.40
  6. Step 6: Final answer
    x = 49,052.22

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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.