Home / 36,836.95-55,255.80-20,187.91

Finding the Fourth Proportional to 36,836.95, 55,255.80 and 20,187.91

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Solution

The fourth proportional to 36,836.95, 55,255.80 and 20,187.91 is: 30,282.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,836.95 : 55,255.80 = 20,187.91 : x
  2. Step 2: Convert to fraction form
    36,836.95/55,255.80 = 20,187.91/x
  3. Step 3: Cross multiply
    36,836.95x = 55,255.80 × 20,187.91
  4. Step 4: Simplify right side
    36,836.95x = 1,115,499,117.38
  5. Step 5: Solve for x
    x = 1,115,499,117.38/36,836.95
  6. Step 6: Final answer
    x = 30,282.07

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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.