Home / 48,251.50-72,352.55-20,163.88

Finding the Fourth Proportional to 48,251.50, 72,352.55 and 20,163.88

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Solution

The fourth proportional to 48,251.50, 72,352.55 and 20,163.88 is: 30,235.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,251.50 : 72,352.55 = 20,163.88 : x
  2. Step 2: Convert to fraction form
    48,251.50/72,352.55 = 20,163.88/x
  3. Step 3: Cross multiply
    48,251.50x = 72,352.55 × 20,163.88
  4. Step 4: Simplify right side
    48,251.50x = 1,458,908,005.42
  5. Step 5: Solve for x
    x = 1,458,908,005.42/48,251.50
  6. Step 6: Final answer
    x = 30,235.50

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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.