Home / 36,890.32-50,908.80-20,123.68

Finding the Fourth Proportional to 36,890.32, 50,908.80 and 20,123.68

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Solution

The fourth proportional to 36,890.32, 50,908.80 and 20,123.68 is: 27,770.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,890.32 : 50,908.80 = 20,123.68 : x
  2. Step 2: Convert to fraction form
    36,890.32/50,908.80 = 20,123.68/x
  3. Step 3: Cross multiply
    36,890.32x = 50,908.80 × 20,123.68
  4. Step 4: Simplify right side
    36,890.32x = 1,024,472,400.38
  5. Step 5: Solve for x
    x = 1,024,472,400.38/36,890.32
  6. Step 6: Final answer
    x = 27,770.76

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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.