Home / 36,230.60-49,997.58-20,315

Finding the Fourth Proportional to 36,230.60, 49,997.58 and 20,315

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Solution

The fourth proportional to 36,230.60, 49,997.58 and 20,315 is: 28,034.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,230.60 : 49,997.58 = 20,315 : x
  2. Step 2: Convert to fraction form
    36,230.60/49,997.58 = 20,315/x
  3. Step 3: Cross multiply
    36,230.60x = 49,997.58 × 20,315
  4. Step 4: Simplify right side
    36,230.60x = 1,015,700,837.70
  5. Step 5: Solve for x
    x = 1,015,700,837.70/36,230.60
  6. Step 6: Final answer
    x = 28,034.34

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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.