Home / 54,401.79-81,444.24-40,423.80

Finding the Fourth Proportional to 54,401.79, 81,444.24 and 40,423.80

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Solution

The fourth proportional to 54,401.79, 81,444.24 and 40,423.80 is: 60,517.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,401.79 : 81,444.24 = 40,423.80 : x
  2. Step 2: Convert to fraction form
    54,401.79/81,444.24 = 40,423.80/x
  3. Step 3: Cross multiply
    54,401.79x = 81,444.24 × 40,423.80
  4. Step 4: Simplify right side
    54,401.79x = 3,292,285,668.91
  5. Step 5: Solve for x
    x = 3,292,285,668.91/54,401.79
  6. Step 6: Final answer
    x = 60,517.97

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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.