Home / 34,209.12-47,098.80-29,791.20

Finding the Fourth Proportional to 34,209.12, 47,098.80 and 29,791.20

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Solution

The fourth proportional to 34,209.12, 47,098.80 and 29,791.20 is: 41,016.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,209.12 : 47,098.80 = 29,791.20 : x
  2. Step 2: Convert to fraction form
    34,209.12/47,098.80 = 29,791.20/x
  3. Step 3: Cross multiply
    34,209.12x = 47,098.80 × 29,791.20
  4. Step 4: Simplify right side
    34,209.12x = 1,403,129,770.56
  5. Step 5: Solve for x
    x = 1,403,129,770.56/34,209.12
  6. Step 6: Final answer
    x = 41,016.25

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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.