Home / 40,989.87-61,514.78-26,234.91

Finding the Fourth Proportional to 40,989.87, 61,514.78 and 26,234.91

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Solution

The fourth proportional to 40,989.87, 61,514.78 and 26,234.91 is: 39,371.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,989.87 : 61,514.78 = 26,234.91 : x
  2. Step 2: Convert to fraction form
    40,989.87/61,514.78 = 26,234.91/x
  3. Step 3: Cross multiply
    40,989.87x = 61,514.78 × 26,234.91
  4. Step 4: Simplify right side
    40,989.87x = 1,613,834,585.80
  5. Step 5: Solve for x
    x = 1,613,834,585.80/40,989.87
  6. Step 6: Final answer
    x = 39,371.55

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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.