Home / 48,123.38-72,185.06-20,056.65

Finding the Fourth Proportional to 48,123.38, 72,185.06 and 20,056.65

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Solution

The fourth proportional to 48,123.38, 72,185.06 and 20,056.65 is: 30,084.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,123.38 : 72,185.06 = 20,056.65 : x
  2. Step 2: Convert to fraction form
    48,123.38/72,185.06 = 20,056.65/x
  3. Step 3: Cross multiply
    48,123.38x = 72,185.06 × 20,056.65
  4. Step 4: Simplify right side
    48,123.38x = 1,447,790,533.79
  5. Step 5: Solve for x
    x = 1,447,790,533.79/48,123.38
  6. Step 6: Final answer
    x = 30,084.98

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Double scale
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Similar ratio
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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.