Home / 55,773.11-76,966.95-30,279.49

Finding the Fourth Proportional to 55,773.11, 76,966.95 and 30,279.49

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Solution

The fourth proportional to 55,773.11, 76,966.95 and 30,279.49 is: 41,785.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,773.11 : 76,966.95 = 30,279.49 : x
  2. Step 2: Convert to fraction form
    55,773.11/76,966.95 = 30,279.49/x
  3. Step 3: Cross multiply
    55,773.11x = 76,966.95 × 30,279.49
  4. Step 4: Simplify right side
    55,773.11x = 2,330,520,185.27
  5. Step 5: Solve for x
    x = 2,330,520,185.27/55,773.11
  6. Step 6: Final answer
    x = 41,785.73

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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.