Home / 48,139.68-66,433.68-26,921.28

Finding the Fourth Proportional to 48,139.68, 66,433.68 and 26,921.28

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Solution

The fourth proportional to 48,139.68, 66,433.68 and 26,921.28 is: 37,151.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,139.68 : 66,433.68 = 26,921.28 : x
  2. Step 2: Convert to fraction form
    48,139.68/66,433.68 = 26,921.28/x
  3. Step 3: Cross multiply
    48,139.68x = 66,433.68 × 26,921.28
  4. Step 4: Simplify right side
    48,139.68x = 1,788,479,700.71
  5. Step 5: Solve for x
    x = 1,788,479,700.71/48,139.68
  6. Step 6: Final answer
    x = 37,151.88

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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.