Home / 36,496.16-54,744.24-20,902.88

Finding the Fourth Proportional to 36,496.16, 54,744.24 and 20,902.88

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Solution

The fourth proportional to 36,496.16, 54,744.24 and 20,902.88 is: 31,354.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,496.16 : 54,744.24 = 20,902.88 : x
  2. Step 2: Convert to fraction form
    36,496.16/54,744.24 = 20,902.88/x
  3. Step 3: Cross multiply
    36,496.16x = 54,744.24 × 20,902.88
  4. Step 4: Simplify right side
    36,496.16x = 1,144,312,279.41
  5. Step 5: Solve for x
    x = 1,144,312,279.41/36,496.16
  6. Step 6: Final answer
    x = 31,354.32

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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.