Home / 40,211.85-55,456.02-25,105.89

Finding the Fourth Proportional to 40,211.85, 55,456.02 and 25,105.89

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Solution

The fourth proportional to 40,211.85, 55,456.02 and 25,105.89 is: 34,623.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,211.85 : 55,456.02 = 25,105.89 : x
  2. Step 2: Convert to fraction form
    40,211.85/55,456.02 = 25,105.89/x
  3. Step 3: Cross multiply
    40,211.85x = 55,456.02 × 25,105.89
  4. Step 4: Simplify right side
    40,211.85x = 1,392,272,737.96
  5. Step 5: Solve for x
    x = 1,392,272,737.96/40,211.85
  6. Step 6: Final answer
    x = 34,623.44

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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.