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Finding the Fourth Proportional to 34,337.71, 51,502.51 and 9,039.79

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Solution

The fourth proportional to 34,337.71, 51,502.51 and 9,039.79 is: 13,558.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,337.71 : 51,502.51 = 9,039.79 : x
  2. Step 2: Convert to fraction form
    34,337.71/51,502.51 = 9,039.79/x
  3. Step 3: Cross multiply
    34,337.71x = 51,502.51 × 9,039.79
  4. Step 4: Simplify right side
    34,337.71x = 465,571,874.87
  5. Step 5: Solve for x
    x = 465,571,874.87/34,337.71
  6. Step 6: Final answer
    x = 13,558.62

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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.