Home / 55,690.39-83,397.12-38,972.17

Finding the Fourth Proportional to 55,690.39, 83,397.12 and 38,972.17

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Solution

The fourth proportional to 55,690.39, 83,397.12 and 38,972.17 is: 58,361.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,690.39 : 83,397.12 = 38,972.17 : x
  2. Step 2: Convert to fraction form
    55,690.39/83,397.12 = 38,972.17/x
  3. Step 3: Cross multiply
    55,690.39x = 83,397.12 × 38,972.17
  4. Step 4: Simplify right side
    55,690.39x = 3,250,166,738.15
  5. Step 5: Solve for x
    x = 3,250,166,738.15/55,690.39
  6. Step 6: Final answer
    x = 58,361.36

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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.