Home / 54,311.54-74,952.89-30,445.88

Finding the Fourth Proportional to 54,311.54, 74,952.89 and 30,445.88

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Solution

The fourth proportional to 54,311.54, 74,952.89 and 30,445.88 is: 42,016.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,311.54 : 74,952.89 = 30,445.88 : x
  2. Step 2: Convert to fraction form
    54,311.54/74,952.89 = 30,445.88/x
  3. Step 3: Cross multiply
    54,311.54x = 74,952.89 × 30,445.88
  4. Step 4: Simplify right side
    54,311.54x = 2,282,006,843.92
  5. Step 5: Solve for x
    x = 2,282,006,843.92/54,311.54
  6. Step 6: Final answer
    x = 42,016.98

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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.