Home / 48,545.98-72,847.28-20,464.32

Finding the Fourth Proportional to 48,545.98, 72,847.28 and 20,464.32

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Solution

The fourth proportional to 48,545.98, 72,847.28 and 20,464.32 is: 30,708.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,545.98 : 72,847.28 = 20,464.32 : x
  2. Step 2: Convert to fraction form
    48,545.98/72,847.28 = 20,464.32/x
  3. Step 3: Cross multiply
    48,545.98x = 72,847.28 × 20,464.32
  4. Step 4: Simplify right side
    48,545.98x = 1,490,770,049.05
  5. Step 5: Solve for x
    x = 1,490,770,049.05/48,545.98
  6. Step 6: Final answer
    x = 30,708.41

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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.