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Finding the Fourth Proportional to 44,938.53, 67,407.81 and 15,356.64

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Solution

The fourth proportional to 44,938.53, 67,407.81 and 15,356.64 is: 23,034.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,938.53 : 67,407.81 = 15,356.64 : x
  2. Step 2: Convert to fraction form
    44,938.53/67,407.81 = 15,356.64/x
  3. Step 3: Cross multiply
    44,938.53x = 67,407.81 × 15,356.64
  4. Step 4: Simplify right side
    44,938.53x = 1,035,157,471.36
  5. Step 5: Solve for x
    x = 1,035,157,471.36/44,938.53
  6. Step 6: Final answer
    x = 23,034.97

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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.