Home / 55,565.28-76,679.49-30,071.09

Finding the Fourth Proportional to 55,565.28, 76,679.49 and 30,071.09

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Solution

The fourth proportional to 55,565.28, 76,679.49 and 30,071.09 is: 41,497.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,565.28 : 76,679.49 = 30,071.09 : x
  2. Step 2: Convert to fraction form
    55,565.28/76,679.49 = 30,071.09/x
  3. Step 3: Cross multiply
    55,565.28x = 76,679.49 × 30,071.09
  4. Step 4: Simplify right side
    55,565.28x = 2,305,835,718.09
  5. Step 5: Solve for x
    x = 2,305,835,718.09/55,565.28
  6. Step 6: Final answer
    x = 41,497.78

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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.