Home / 54,753.72-75,560.10-30,880.34

Finding the Fourth Proportional to 54,753.72, 75,560.10 and 30,880.34

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Solution

The fourth proportional to 54,753.72, 75,560.10 and 30,880.34 is: 42,614.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,753.72 : 75,560.10 = 30,880.34 : x
  2. Step 2: Convert to fraction form
    54,753.72/75,560.10 = 30,880.34/x
  3. Step 3: Cross multiply
    54,753.72x = 75,560.10 × 30,880.34
  4. Step 4: Simplify right side
    54,753.72x = 2,333,321,123.43
  5. Step 5: Solve for x
    x = 2,333,321,123.43/54,753.72
  6. Step 6: Final answer
    x = 42,614.84

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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.