Home / 62,648.79-93,988.53-20,531.13

Finding the Fourth Proportional to 62,648.79, 93,988.53 and 20,531.13

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Solution

The fourth proportional to 62,648.79, 93,988.53 and 20,531.13 is: 30,801.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,648.79 : 93,988.53 = 20,531.13 : x
  2. Step 2: Convert to fraction form
    62,648.79/93,988.53 = 20,531.13/x
  3. Step 3: Cross multiply
    62,648.79x = 93,988.53 × 20,531.13
  4. Step 4: Simplify right side
    62,648.79x = 1,929,690,727.94
  5. Step 5: Solve for x
    x = 1,929,690,727.94/62,648.79
  6. Step 6: Final answer
    x = 30,801.72

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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.