Home / 36,500.16-54,750.24-20,906.88

Finding the Fourth Proportional to 36,500.16, 54,750.24 and 20,906.88

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Solution

The fourth proportional to 36,500.16, 54,750.24 and 20,906.88 is: 31,360.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,500.16 : 54,750.24 = 20,906.88 : x
  2. Step 2: Convert to fraction form
    36,500.16/54,750.24 = 20,906.88/x
  3. Step 3: Cross multiply
    36,500.16x = 54,750.24 × 20,906.88
  4. Step 4: Simplify right side
    36,500.16x = 1,144,656,697.65
  5. Step 5: Solve for x
    x = 1,144,656,697.65/36,500.16
  6. Step 6: Final answer
    x = 31,360.32

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1.5x scale

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.