Home / 51,841.60-71,540.64-29,178.88

Finding the Fourth Proportional to 51,841.60, 71,540.64 and 29,178.88

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Solution

The fourth proportional to 51,841.60, 71,540.64 and 29,178.88 is: 40,266.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,841.60 : 71,540.64 = 29,178.88 : x
  2. Step 2: Convert to fraction form
    51,841.60/71,540.64 = 29,178.88/x
  3. Step 3: Cross multiply
    51,841.60x = 71,540.64 × 29,178.88
  4. Step 4: Simplify right side
    51,841.60x = 2,087,475,749.68
  5. Step 5: Solve for x
    x = 2,087,475,749.68/51,841.60
  6. Step 6: Final answer
    x = 40,266.42

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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.