Home / 29,171.52-43,720.56-12,511.98

Finding the Fourth Proportional to 29,171.52, 43,720.56 and 12,511.98

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Solution

The fourth proportional to 29,171.52, 43,720.56 and 12,511.98 is: 18,752.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,171.52 : 43,720.56 = 12,511.98 : x
  2. Step 2: Convert to fraction form
    29,171.52/43,720.56 = 12,511.98/x
  3. Step 3: Cross multiply
    29,171.52x = 43,720.56 × 12,511.98
  4. Step 4: Simplify right side
    29,171.52x = 547,030,772.31
  5. Step 5: Solve for x
    x = 547,030,772.31/29,171.52
  6. Step 6: Final answer
    x = 18,752.22

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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.