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Finding the Fourth Proportional to 40,290.53, 60,462.03 and 15,330.80

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Solution

The fourth proportional to 40,290.53, 60,462.03 and 15,330.80 is: 23,006.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,290.53 : 60,462.03 = 15,330.80 : x
  2. Step 2: Convert to fraction form
    40,290.53/60,462.03 = 15,330.80/x
  3. Step 3: Cross multiply
    40,290.53x = 60,462.03 × 15,330.80
  4. Step 4: Simplify right side
    40,290.53x = 926,930,987.21
  5. Step 5: Solve for x
    x = 926,930,987.21/40,290.53
  6. Step 6: Final answer
    x = 23,006.18

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1.5x scale

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.