Home / 54,257.76-74,877.42-30,385.08

Finding the Fourth Proportional to 54,257.76, 74,877.42 and 30,385.08

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Solution

The fourth proportional to 54,257.76, 74,877.42 and 30,385.08 is: 41,932.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,257.76 : 74,877.42 = 30,385.08 : x
  2. Step 2: Convert to fraction form
    54,257.76/74,877.42 = 30,385.08/x
  3. Step 3: Cross multiply
    54,257.76x = 74,877.42 × 30,385.08
  4. Step 4: Simplify right side
    54,257.76x = 2,275,156,396.89
  5. Step 5: Solve for x
    x = 2,275,156,396.89/54,257.76
  6. Step 6: Final answer
    x = 41,932.37

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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.