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Finding the Fourth Proportional to 40,038, 60,060.24 and 12,336

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Solution

The fourth proportional to 40,038, 60,060.24 and 12,336 is: 18,505.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,038 : 60,060.24 = 12,336 : x
  2. Step 2: Convert to fraction form
    40,038/60,060.24 = 12,336/x
  3. Step 3: Cross multiply
    40,038x = 60,060.24 × 12,336
  4. Step 4: Simplify right side
    40,038x = 740,903,120.64
  5. Step 5: Solve for x
    x = 740,903,120.64/40,038
  6. Step 6: Final answer
    x = 18,505.00

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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.