Home / 36,230.72-49,997.76-20,315.12

Finding the Fourth Proportional to 36,230.72, 49,997.76 and 20,315.12

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Solution

The fourth proportional to 36,230.72, 49,997.76 and 20,315.12 is: 28,034.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,230.72 : 49,997.76 = 20,315.12 : x
  2. Step 2: Convert to fraction form
    36,230.72/49,997.76 = 20,315.12/x
  3. Step 3: Cross multiply
    36,230.72x = 49,997.76 × 20,315.12
  4. Step 4: Simplify right side
    36,230.72x = 1,015,710,494.13
  5. Step 5: Solve for x
    x = 1,015,710,494.13/36,230.72
  6. Step 6: Final answer
    x = 28,034.51

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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.