Home / 36,677.38-55,019.01-11,720.95

Finding the Fourth Proportional to 36,677.38, 55,019.01 and 11,720.95

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Solution

The fourth proportional to 36,677.38, 55,019.01 and 11,720.95 is: 17,582.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,677.38 : 55,019.01 = 11,720.95 : x
  2. Step 2: Convert to fraction form
    36,677.38/55,019.01 = 11,720.95/x
  3. Step 3: Cross multiply
    36,677.38x = 55,019.01 × 11,720.95
  4. Step 4: Simplify right side
    36,677.38x = 644,875,065.26
  5. Step 5: Solve for x
    x = 644,875,065.26/36,677.38
  6. Step 6: Final answer
    x = 17,582.36

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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.