Home / 51,691.50-77,532.39-18,410.22

Finding the Fourth Proportional to 51,691.50, 77,532.39 and 18,410.22

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Solution

The fourth proportional to 51,691.50, 77,532.39 and 18,410.22 is: 27,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,691.50 : 77,532.39 = 18,410.22 : x
  2. Step 2: Convert to fraction form
    51,691.50/77,532.39 = 18,410.22/x
  3. Step 3: Cross multiply
    51,691.50x = 77,532.39 × 18,410.22
  4. Step 4: Simplify right side
    51,691.50x = 1,427,388,357.03
  5. Step 5: Solve for x
    x = 1,427,388,357.03/51,691.50
  6. Step 6: Final answer
    x = 27,613.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.