Home / 52,481.10-72,421.26-29,817.12

Finding the Fourth Proportional to 52,481.10, 72,421.26 and 29,817.12

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Solution

The fourth proportional to 52,481.10, 72,421.26 and 29,817.12 is: 41,146.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,481.10 : 72,421.26 = 29,817.12 : x
  2. Step 2: Convert to fraction form
    52,481.10/72,421.26 = 29,817.12/x
  3. Step 3: Cross multiply
    52,481.10x = 72,421.26 × 29,817.12
  4. Step 4: Simplify right side
    52,481.10x = 2,159,393,399.97
  5. Step 5: Solve for x
    x = 2,159,393,399.97/52,481.10
  6. Step 6: Final answer
    x = 41,146.12

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1.5x scale

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.