Home / 62,781.94-94,171.61-18,407.71

Finding the Fourth Proportional to 62,781.94, 94,171.61 and 18,407.71

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Solution

The fourth proportional to 62,781.94, 94,171.61 and 18,407.71 is: 27,611.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,781.94 : 94,171.61 = 18,407.71 : x
  2. Step 2: Convert to fraction form
    62,781.94/94,171.61 = 18,407.71/x
  3. Step 3: Cross multiply
    62,781.94x = 94,171.61 × 18,407.71
  4. Step 4: Simplify right side
    62,781.94x = 1,733,483,321.13
  5. Step 5: Solve for x
    x = 1,733,483,321.13/62,781.94
  6. Step 6: Final answer
    x = 27,611.18

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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.