Home / 83,676.21-125,514.30-21,346.71

Finding the Fourth Proportional to 83,676.21, 125,514.30 and 21,346.71

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Solution

The fourth proportional to 83,676.21, 125,514.30 and 21,346.71 is: 32,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,676.21 : 125,514.30 = 21,346.71 : x
  2. Step 2: Convert to fraction form
    83,676.21/125,514.30 = 21,346.71/x
  3. Step 3: Cross multiply
    83,676.21x = 125,514.30 × 21,346.71
  4. Step 4: Simplify right side
    83,676.21x = 2,679,317,362.95
  5. Step 5: Solve for x
    x = 2,679,317,362.95/83,676.21
  6. Step 6: Final answer
    x = 32,020.06

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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.