Home / 55,082.52-82,637.28-17,642.70

Finding the Fourth Proportional to 55,082.52, 82,637.28 and 17,642.70

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Solution

The fourth proportional to 55,082.52, 82,637.28 and 17,642.70 is: 26,468.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,082.52 : 82,637.28 = 17,642.70 : x
  2. Step 2: Convert to fraction form
    55,082.52/82,637.28 = 17,642.70/x
  3. Step 3: Cross multiply
    55,082.52x = 82,637.28 × 17,642.70
  4. Step 4: Simplify right side
    55,082.52x = 1,457,944,739.86
  5. Step 5: Solve for x
    x = 1,457,944,739.86/55,082.52
  6. Step 6: Final answer
    x = 26,468.37

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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.