Home / 20,281.71-30,422.54-14,770.11

Finding the Fourth Proportional to 20,281.71, 30,422.54 and 14,770.11

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Solution

The fourth proportional to 20,281.71, 30,422.54 and 14,770.11 is: 22,155.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,281.71 : 30,422.54 = 14,770.11 : x
  2. Step 2: Convert to fraction form
    20,281.71/30,422.54 = 14,770.11/x
  3. Step 3: Cross multiply
    20,281.71x = 30,422.54 × 14,770.11
  4. Step 4: Simplify right side
    20,281.71x = 449,344,262.28
  5. Step 5: Solve for x
    x = 449,344,262.28/20,281.71
  6. Step 6: Final answer
    x = 22,155.15

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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.