Home / 56,353.12-77,761.92-33,687.61

Finding the Fourth Proportional to 56,353.12, 77,761.92 and 33,687.61

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Solution

The fourth proportional to 56,353.12, 77,761.92 and 33,687.61 is: 46,485.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,353.12 : 77,761.92 = 33,687.61 : x
  2. Step 2: Convert to fraction form
    56,353.12/77,761.92 = 33,687.61/x
  3. Step 3: Cross multiply
    56,353.12x = 77,761.92 × 33,687.61
  4. Step 4: Simplify right side
    56,353.12x = 2,619,613,233.81
  5. Step 5: Solve for x
    x = 2,619,613,233.81/56,353.12
  6. Step 6: Final answer
    x = 46,485.68

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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.