Home / 53,013.52-73,158.68-29,140

Finding the Fourth Proportional to 53,013.52, 73,158.68 and 29,140

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Solution

The fourth proportional to 53,013.52, 73,158.68 and 29,140 is: 40,213.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,013.52 : 73,158.68 = 29,140 : x
  2. Step 2: Convert to fraction form
    53,013.52/73,158.68 = 29,140/x
  3. Step 3: Cross multiply
    53,013.52x = 73,158.68 × 29,140
  4. Step 4: Simplify right side
    53,013.52x = 2,131,843,935.20
  5. Step 5: Solve for x
    x = 2,131,843,935.20/53,013.52
  6. Step 6: Final answer
    x = 40,213.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.