Home / 62,689.28-94,034.24-21,136.64

Finding the Fourth Proportional to 62,689.28, 94,034.24 and 21,136.64

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Solution

The fourth proportional to 62,689.28, 94,034.24 and 21,136.64 is: 31,705.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,689.28 : 94,034.24 = 21,136.64 : x
  2. Step 2: Convert to fraction form
    62,689.28/94,034.24 = 21,136.64/x
  3. Step 3: Cross multiply
    62,689.28x = 94,034.24 × 21,136.64
  4. Step 4: Simplify right side
    62,689.28x = 1,987,567,878.55
  5. Step 5: Solve for x
    x = 1,987,567,878.55/62,689.28
  6. Step 6: Final answer
    x = 31,705.07

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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.