Home / 40,348.13-60,531.91-12,646.13

Finding the Fourth Proportional to 40,348.13, 60,531.91 and 12,646.13

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Solution

The fourth proportional to 40,348.13, 60,531.91 and 12,646.13 is: 18,972.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,348.13 : 60,531.91 = 12,646.13 : x
  2. Step 2: Convert to fraction form
    40,348.13/60,531.91 = 12,646.13/x
  3. Step 3: Cross multiply
    40,348.13x = 60,531.91 × 12,646.13
  4. Step 4: Simplify right side
    40,348.13x = 765,494,068.73
  5. Step 5: Solve for x
    x = 765,494,068.73/40,348.13
  6. Step 6: Final answer
    x = 18,972.23

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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.