Home / 48,983.74-67,519.36-38,618.52

Finding the Fourth Proportional to 48,983.74, 67,519.36 and 38,618.52

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Solution

The fourth proportional to 48,983.74, 67,519.36 and 38,618.52 is: 53,231.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,983.74 : 67,519.36 = 38,618.52 : x
  2. Step 2: Convert to fraction form
    48,983.74/67,519.36 = 38,618.52/x
  3. Step 3: Cross multiply
    48,983.74x = 67,519.36 × 38,618.52
  4. Step 4: Simplify right side
    48,983.74x = 2,607,497,754.55
  5. Step 5: Solve for x
    x = 2,607,497,754.55/48,983.74
  6. Step 6: Final answer
    x = 53,231.90

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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.