Home / 20,279.04-30,418.54-14,767.45

Finding the Fourth Proportional to 20,279.04, 30,418.54 and 14,767.45

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Solution

The fourth proportional to 20,279.04, 30,418.54 and 14,767.45 is: 22,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,279.04 : 30,418.54 = 14,767.45 : x
  2. Step 2: Convert to fraction form
    20,279.04/30,418.54 = 14,767.45/x
  3. Step 3: Cross multiply
    20,279.04x = 30,418.54 × 14,767.45
  4. Step 4: Simplify right side
    20,279.04x = 449,204,116.43
  5. Step 5: Solve for x
    x = 449,204,116.43/20,279.04
  6. Step 6: Final answer
    x = 22,151.15

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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.