Home / 54,311.10-74,952.28-30,445.44

Finding the Fourth Proportional to 54,311.10, 74,952.28 and 30,445.44

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Solution

The fourth proportional to 54,311.10, 74,952.28 and 30,445.44 is: 42,016.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,311.10 : 74,952.28 = 30,445.44 : x
  2. Step 2: Convert to fraction form
    54,311.10/74,952.28 = 30,445.44/x
  3. Step 3: Cross multiply
    54,311.10x = 74,952.28 × 30,445.44
  4. Step 4: Simplify right side
    54,311.10x = 2,281,955,143.60
  5. Step 5: Solve for x
    x = 2,281,955,143.60/54,311.10
  6. Step 6: Final answer
    x = 42,016.37

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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.