Home / 54,901.40-82,352.10-21,622.55

Finding the Fourth Proportional to 54,901.40, 82,352.10 and 21,622.55

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Solution

The fourth proportional to 54,901.40, 82,352.10 and 21,622.55 is: 32,433.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,901.40 : 82,352.10 = 21,622.55 : x
  2. Step 2: Convert to fraction form
    54,901.40/82,352.10 = 21,622.55/x
  3. Step 3: Cross multiply
    54,901.40x = 82,352.10 × 21,622.55
  4. Step 4: Simplify right side
    54,901.40x = 1,780,662,399.86
  5. Step 5: Solve for x
    x = 1,780,662,399.86/54,901.40
  6. Step 6: Final answer
    x = 32,433.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.