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Finding the Fourth Proportional to 40,039, 60,061.74 and 12,337

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Solution

The fourth proportional to 40,039, 60,061.74 and 12,337 is: 18,506.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,039 : 60,061.74 = 12,337 : x
  2. Step 2: Convert to fraction form
    40,039/60,061.74 = 12,337/x
  3. Step 3: Cross multiply
    40,039x = 60,061.74 × 12,337
  4. Step 4: Simplify right side
    40,039x = 740,981,686.38
  5. Step 5: Solve for x
    x = 740,981,686.38/40,039
  6. Step 6: Final answer
    x = 18,506.50

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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.