Home / 55,932.08-77,187.72-30,439.88

Finding the Fourth Proportional to 55,932.08, 77,187.72 and 30,439.88

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Solution

The fourth proportional to 55,932.08, 77,187.72 and 30,439.88 is: 42,007.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,932.08 : 77,187.72 = 30,439.88 : x
  2. Step 2: Convert to fraction form
    55,932.08/77,187.72 = 30,439.88/x
  3. Step 3: Cross multiply
    55,932.08x = 77,187.72 × 30,439.88
  4. Step 4: Simplify right side
    55,932.08x = 2,349,584,934.27
  5. Step 5: Solve for x
    x = 2,349,584,934.27/55,932.08
  6. Step 6: Final answer
    x = 42,007.82

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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.