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Finding the Fourth Proportional to 40,376, 60,564.54 and 12,674

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Solution

The fourth proportional to 40,376, 60,564.54 and 12,674 is: 19,011.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,376 : 60,564.54 = 12,674 : x
  2. Step 2: Convert to fraction form
    40,376/60,564.54 = 12,674/x
  3. Step 3: Cross multiply
    40,376x = 60,564.54 × 12,674
  4. Step 4: Simplify right side
    40,376x = 767,594,979.96
  5. Step 5: Solve for x
    x = 767,594,979.96/40,376
  6. Step 6: Final answer
    x = 19,011.17

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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.