Home / 56,332-84,499.20-21,288.16

Finding the Fourth Proportional to 56,332, 84,499.20 and 21,288.16

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Solution

The fourth proportional to 56,332, 84,499.20 and 21,288.16 is: 31,932.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,332 : 84,499.20 = 21,288.16 : x
  2. Step 2: Convert to fraction form
    56,332/84,499.20 = 21,288.16/x
  3. Step 3: Cross multiply
    56,332x = 84,499.20 × 21,288.16
  4. Step 4: Simplify right side
    56,332x = 1,798,832,489.47
  5. Step 5: Solve for x
    x = 1,798,832,489.47/56,332
  6. Step 6: Final answer
    x = 31,932.69

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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.