Home / 36,074.61-49,781.10-20,155.95

Finding the Fourth Proportional to 36,074.61, 49,781.10 and 20,155.95

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Solution

The fourth proportional to 36,074.61, 49,781.10 and 20,155.95 is: 27,814.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,074.61 : 49,781.10 = 20,155.95 : x
  2. Step 2: Convert to fraction form
    36,074.61/49,781.10 = 20,155.95/x
  3. Step 3: Cross multiply
    36,074.61x = 49,781.10 × 20,155.95
  4. Step 4: Simplify right side
    36,074.61x = 1,003,385,362.55
  5. Step 5: Solve for x
    x = 1,003,385,362.55/36,074.61
  6. Step 6: Final answer
    x = 27,814.17

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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.