Home / 48,219.03-72,340.09-20,123.44

Finding the Fourth Proportional to 48,219.03, 72,340.09 and 20,123.44

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Solution

The fourth proportional to 48,219.03, 72,340.09 and 20,123.44 is: 30,189.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,219.03 : 72,340.09 = 20,123.44 : x
  2. Step 2: Convert to fraction form
    48,219.03/72,340.09 = 20,123.44/x
  3. Step 3: Cross multiply
    48,219.03x = 72,340.09 × 20,123.44
  4. Step 4: Simplify right side
    48,219.03x = 1,455,731,229.55
  5. Step 5: Solve for x
    x = 1,455,731,229.55/48,219.03
  6. Step 6: Final answer
    x = 30,189.97

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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.