Home / 36,317.12-54,489.12-18,776

Finding the Fourth Proportional to 36,317.12, 54,489.12 and 18,776

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Solution

The fourth proportional to 36,317.12, 54,489.12 and 18,776 is: 28,170.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,317.12 : 54,489.12 = 18,776 : x
  2. Step 2: Convert to fraction form
    36,317.12/54,489.12 = 18,776/x
  3. Step 3: Cross multiply
    36,317.12x = 54,489.12 × 18,776
  4. Step 4: Simplify right side
    36,317.12x = 1,023,087,717.12
  5. Step 5: Solve for x
    x = 1,023,087,717.12/36,317.12
  6. Step 6: Final answer
    x = 28,170.95

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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.