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Finding the Fourth Proportional to 40,381.59, 60,534.95 and 17,880.28

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Solution

The fourth proportional to 40,381.59, 60,534.95 and 17,880.28 is: 26,803.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,381.59 : 60,534.95 = 17,880.28 : x
  2. Step 2: Convert to fraction form
    40,381.59/60,534.95 = 17,880.28/x
  3. Step 3: Cross multiply
    40,381.59x = 60,534.95 × 17,880.28
  4. Step 4: Simplify right side
    40,381.59x = 1,082,381,766.38
  5. Step 5: Solve for x
    x = 1,082,381,766.38/40,381.59
  6. Step 6: Final answer
    x = 26,803.85

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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.