Home / 54,117.88-81,161.70-22,931.80

Finding the Fourth Proportional to 54,117.88, 81,161.70 and 22,931.80

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Solution

The fourth proportional to 54,117.88, 81,161.70 and 22,931.80 is: 34,391.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,117.88 : 81,161.70 = 22,931.80 : x
  2. Step 2: Convert to fraction form
    54,117.88/81,161.70 = 22,931.80/x
  3. Step 3: Cross multiply
    54,117.88x = 81,161.70 × 22,931.80
  4. Step 4: Simplify right side
    54,117.88x = 1,861,183,872.06
  5. Step 5: Solve for x
    x = 1,861,183,872.06/54,117.88
  6. Step 6: Final answer
    x = 34,391.29

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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.