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Finding the Fourth Proportional to 55,999.80, 84,006.90 and 27,934.20

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Solution

The fourth proportional to 55,999.80, 84,006.90 and 27,934.20 is: 41,904.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,999.80 : 84,006.90 = 27,934.20 : x
  2. Step 2: Convert to fraction form
    55,999.80/84,006.90 = 27,934.20/x
  3. Step 3: Cross multiply
    55,999.80x = 84,006.90 × 27,934.20
  4. Step 4: Simplify right side
    55,999.80x = 2,346,665,545.98
  5. Step 5: Solve for x
    x = 2,346,665,545.98/55,999.80
  6. Step 6: Final answer
    x = 41,904.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.