Home / 53,012.52-73,157.30-29,139

Finding the Fourth Proportional to 53,012.52, 73,157.30 and 29,139

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Solution

The fourth proportional to 53,012.52, 73,157.30 and 29,139 is: 40,211.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,012.52 : 73,157.30 = 29,139 : x
  2. Step 2: Convert to fraction form
    53,012.52/73,157.30 = 29,139/x
  3. Step 3: Cross multiply
    53,012.52x = 73,157.30 × 29,139
  4. Step 4: Simplify right side
    53,012.52x = 2,131,730,564.70
  5. Step 5: Solve for x
    x = 2,131,730,564.70/53,012.52
  6. Step 6: Final answer
    x = 40,211.83

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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.