Home / 32,122.80-48,184.20-8,749.20

Finding the Fourth Proportional to 32,122.80, 48,184.20 and 8,749.20

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Solution

The fourth proportional to 32,122.80, 48,184.20 and 8,749.20 is: 13,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,122.80 : 48,184.20 = 8,749.20 : x
  2. Step 2: Convert to fraction form
    32,122.80/48,184.20 = 8,749.20/x
  3. Step 3: Cross multiply
    32,122.80x = 48,184.20 × 8,749.20
  4. Step 4: Simplify right side
    32,122.80x = 421,573,202.64
  5. Step 5: Solve for x
    x = 421,573,202.64/32,122.80
  6. Step 6: Final answer
    x = 13,123.80

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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.