Home / 54,311.11-74,952.29-30,445.45

Finding the Fourth Proportional to 54,311.11, 74,952.29 and 30,445.45

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Solution

The fourth proportional to 54,311.11, 74,952.29 and 30,445.45 is: 42,016.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,311.11 : 74,952.29 = 30,445.45 : x
  2. Step 2: Convert to fraction form
    54,311.11/74,952.29 = 30,445.45/x
  3. Step 3: Cross multiply
    54,311.11x = 74,952.29 × 30,445.45
  4. Step 4: Simplify right side
    54,311.11x = 2,281,956,197.58
  5. Step 5: Solve for x
    x = 2,281,956,197.58/54,311.11
  6. Step 6: Final answer
    x = 42,016.38

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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.