Home / 50,123.25-69,170.09-29,980.98

Finding the Fourth Proportional to 50,123.25, 69,170.09 and 29,980.98

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Solution

The fourth proportional to 50,123.25, 69,170.09 and 29,980.98 is: 41,373.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,123.25 : 69,170.09 = 29,980.98 : x
  2. Step 2: Convert to fraction form
    50,123.25/69,170.09 = 29,980.98/x
  3. Step 3: Cross multiply
    50,123.25x = 69,170.09 × 29,980.98
  4. Step 4: Simplify right side
    50,123.25x = 2,073,786,934.98
  5. Step 5: Solve for x
    x = 2,073,786,934.98/50,123.25
  6. Step 6: Final answer
    x = 41,373.75

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.