Home / 48,380.85-66,753.89-28,226.23

Finding the Fourth Proportional to 48,380.85, 66,753.89 and 28,226.23

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Solution

The fourth proportional to 48,380.85, 66,753.89 and 28,226.23 is: 38,945.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,380.85 : 66,753.89 = 28,226.23 : x
  2. Step 2: Convert to fraction form
    48,380.85/66,753.89 = 28,226.23/x
  3. Step 3: Cross multiply
    48,380.85x = 66,753.89 × 28,226.23
  4. Step 4: Simplify right side
    48,380.85x = 1,884,210,450.37
  5. Step 5: Solve for x
    x = 1,884,210,450.37/48,380.85
  6. Step 6: Final answer
    x = 38,945.38

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Half scale
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Double scale
Find fourth proportional to 48,381.85, 66,755.27 and 28,227.23
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.