Home / 36,151.74-49,890.45-20,235.78

Finding the Fourth Proportional to 36,151.74, 49,890.45 and 20,235.78

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Solution

The fourth proportional to 36,151.74, 49,890.45 and 20,235.78 is: 27,925.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,151.74 : 49,890.45 = 20,235.78 : x
  2. Step 2: Convert to fraction form
    36,151.74/49,890.45 = 20,235.78/x
  3. Step 3: Cross multiply
    36,151.74x = 49,890.45 × 20,235.78
  4. Step 4: Simplify right side
    36,151.74x = 1,009,572,170.30
  5. Step 5: Solve for x
    x = 1,009,572,170.30/36,151.74
  6. Step 6: Final answer
    x = 27,925.96

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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.