Home / 32,001.76-47,999.20-8,630.56

Finding the Fourth Proportional to 32,001.76, 47,999.20 and 8,630.56

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Solution

The fourth proportional to 32,001.76, 47,999.20 and 8,630.56 is: 12,944.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,001.76 : 47,999.20 = 8,630.56 : x
  2. Step 2: Convert to fraction form
    32,001.76/47,999.20 = 8,630.56/x
  3. Step 3: Cross multiply
    32,001.76x = 47,999.20 × 8,630.56
  4. Step 4: Simplify right side
    32,001.76x = 414,259,975.55
  5. Step 5: Solve for x
    x = 414,259,975.55/32,001.76
  6. Step 6: Final answer
    x = 12,944.91

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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.