Home / 40,982.20-61,458.90-14,687.80

Finding the Fourth Proportional to 40,982.20, 61,458.90 and 14,687.80

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Solution

The fourth proportional to 40,982.20, 61,458.90 and 14,687.80 is: 22,026.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,982.20 : 61,458.90 = 14,687.80 : x
  2. Step 2: Convert to fraction form
    40,982.20/61,458.90 = 14,687.80/x
  3. Step 3: Cross multiply
    40,982.20x = 61,458.90 × 14,687.80
  4. Step 4: Simplify right side
    40,982.20x = 902,696,031.42
  5. Step 5: Solve for x
    x = 902,696,031.42/40,982.20
  6. Step 6: Final answer
    x = 22,026.54

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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.