Home / 20,029.60-30,044.42-13,770.67

Finding the Fourth Proportional to 20,029.60, 30,044.42 and 13,770.67

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Solution

The fourth proportional to 20,029.60, 30,044.42 and 13,770.67 is: 20,656.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.60 : 30,044.42 = 13,770.67 : x
  2. Step 2: Convert to fraction form
    20,029.60/30,044.42 = 13,770.67/x
  3. Step 3: Cross multiply
    20,029.60x = 30,044.42 × 13,770.67
  4. Step 4: Simplify right side
    20,029.60x = 413,731,793.16
  5. Step 5: Solve for x
    x = 413,731,793.16/20,029.60
  6. Step 6: Final answer
    x = 20,656.02

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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.