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Finding the Fourth Proportional to 40,230.72, 60,373.80 and 18,068.94

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Solution

The fourth proportional to 40,230.72, 60,373.80 and 18,068.94 is: 27,115.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,230.72 : 60,373.80 = 18,068.94 : x
  2. Step 2: Convert to fraction form
    40,230.72/60,373.80 = 18,068.94/x
  3. Step 3: Cross multiply
    40,230.72x = 60,373.80 × 18,068.94
  4. Step 4: Simplify right side
    40,230.72x = 1,090,890,569.77
  5. Step 5: Solve for x
    x = 1,090,890,569.77/40,230.72
  6. Step 6: Final answer
    x = 27,115.86

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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.