Home / 54,729.72-75,531.59-30,861.34

Finding the Fourth Proportional to 54,729.72, 75,531.59 and 30,861.34

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Solution

The fourth proportional to 54,729.72, 75,531.59 and 30,861.34 is: 42,591.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,729.72 : 75,531.59 = 30,861.34 : x
  2. Step 2: Convert to fraction form
    54,729.72/75,531.59 = 30,861.34/x
  3. Step 3: Cross multiply
    54,729.72x = 75,531.59 × 30,861.34
  4. Step 4: Simplify right side
    54,729.72x = 2,331,006,079.73
  5. Step 5: Solve for x
    x = 2,331,006,079.73/54,729.72
  6. Step 6: Final answer
    x = 42,591.23

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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.