Home / 54,753.24-75,554.96-30,885.78

Finding the Fourth Proportional to 54,753.24, 75,554.96 and 30,885.78

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Solution

The fourth proportional to 54,753.24, 75,554.96 and 30,885.78 is: 42,619.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,753.24 : 75,554.96 = 30,885.78 : x
  2. Step 2: Convert to fraction form
    54,753.24/75,554.96 = 30,885.78/x
  3. Step 3: Cross multiply
    54,753.24x = 75,554.96 × 30,885.78
  4. Step 4: Simplify right side
    54,753.24x = 2,333,573,872.47
  5. Step 5: Solve for x
    x = 2,333,573,872.47/54,753.24
  6. Step 6: Final answer
    x = 42,619.83

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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.