Home / 48,226.41-72,339.62-20,131.13

Finding the Fourth Proportional to 48,226.41, 72,339.62 and 20,131.13

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Solution

The fourth proportional to 48,226.41, 72,339.62 and 20,131.13 is: 30,196.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,226.41 : 72,339.62 = 20,131.13 : x
  2. Step 2: Convert to fraction form
    48,226.41/72,339.62 = 20,131.13/x
  3. Step 3: Cross multiply
    48,226.41x = 72,339.62 × 20,131.13
  4. Step 4: Simplify right side
    48,226.41x = 1,456,278,374.56
  5. Step 5: Solve for x
    x = 1,456,278,374.56/48,226.41
  6. Step 6: Final answer
    x = 30,196.70

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Double scale
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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.