Home / 29,129.83-43,658.26-12,470.36

Finding the Fourth Proportional to 29,129.83, 43,658.26 and 12,470.36

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Solution

The fourth proportional to 29,129.83, 43,658.26 and 12,470.36 is: 18,689.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,129.83 : 43,658.26 = 12,470.36 : x
  2. Step 2: Convert to fraction form
    29,129.83/43,658.26 = 12,470.36/x
  3. Step 3: Cross multiply
    29,129.83x = 43,658.26 × 12,470.36
  4. Step 4: Simplify right side
    29,129.83x = 544,433,969.71
  5. Step 5: Solve for x
    x = 544,433,969.71/29,129.83
  6. Step 6: Final answer
    x = 18,689.91

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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.