Home / 48,217.87-72,338.27-20,122.32

Finding the Fourth Proportional to 48,217.87, 72,338.27 and 20,122.32

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Solution

The fourth proportional to 48,217.87, 72,338.27 and 20,122.32 is: 30,188.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,217.87 : 72,338.27 = 20,122.32 : x
  2. Step 2: Convert to fraction form
    48,217.87/72,338.27 = 20,122.32/x
  3. Step 3: Cross multiply
    48,217.87x = 72,338.27 × 20,122.32
  4. Step 4: Simplify right side
    48,217.87x = 1,455,613,817.19
  5. Step 5: Solve for x
    x = 1,455,613,817.19/48,217.87
  6. Step 6: Final answer
    x = 30,188.26

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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.