Home / 55,545.13-76,654.11-30,394.63

Finding the Fourth Proportional to 55,545.13, 76,654.11 and 30,394.63

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Solution

The fourth proportional to 55,545.13, 76,654.11 and 30,394.63 is: 41,945.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,545.13 : 76,654.11 = 30,394.63 : x
  2. Step 2: Convert to fraction form
    55,545.13/76,654.11 = 30,394.63/x
  3. Step 3: Cross multiply
    55,545.13x = 76,654.11 × 30,394.63
  4. Step 4: Simplify right side
    55,545.13x = 2,329,873,311.43
  5. Step 5: Solve for x
    x = 2,329,873,311.43/55,545.13
  6. Step 6: Final answer
    x = 41,945.59

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1.5x scale

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.