Home / 33,060.50-45,627.65-20,487.14

Finding the Fourth Proportional to 33,060.50, 45,627.65 and 20,487.14

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Solution

The fourth proportional to 33,060.50, 45,627.65 and 20,487.14 is: 28,274.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,060.50 : 45,627.65 = 20,487.14 : x
  2. Step 2: Convert to fraction form
    33,060.50/45,627.65 = 20,487.14/x
  3. Step 3: Cross multiply
    33,060.50x = 45,627.65 × 20,487.14
  4. Step 4: Simplify right side
    33,060.50x = 934,780,053.42
  5. Step 5: Solve for x
    x = 934,780,053.42/33,060.50
  6. Step 6: Final answer
    x = 28,274.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.