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Finding the Fourth Proportional to 34,339.71, 51,505.51 and 9,041.79

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Solution

The fourth proportional to 34,339.71, 51,505.51 and 9,041.79 is: 13,561.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,339.71 : 51,505.51 = 9,041.79 : x
  2. Step 2: Convert to fraction form
    34,339.71/51,505.51 = 9,041.79/x
  3. Step 3: Cross multiply
    34,339.71x = 51,505.51 × 9,041.79
  4. Step 4: Simplify right side
    34,339.71x = 465,702,005.26
  5. Step 5: Solve for x
    x = 465,702,005.26/34,339.71
  6. Step 6: Final answer
    x = 13,561.62

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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.