Home / 48,455.20-72,704.40-22,146.40

Finding the Fourth Proportional to 48,455.20, 72,704.40 and 22,146.40

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Solution

The fourth proportional to 48,455.20, 72,704.40 and 22,146.40 is: 33,229.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,455.20 : 72,704.40 = 22,146.40 : x
  2. Step 2: Convert to fraction form
    48,455.20/72,704.40 = 22,146.40/x
  3. Step 3: Cross multiply
    48,455.20x = 72,704.40 × 22,146.40
  4. Step 4: Simplify right side
    48,455.20x = 1,610,140,724.16
  5. Step 5: Solve for x
    x = 1,610,140,724.16/48,455.20
  6. Step 6: Final answer
    x = 33,229.47

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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.