Home / 32,279.10-48,421.45-8,905.54

Finding the Fourth Proportional to 32,279.10, 48,421.45 and 8,905.54

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Solution

The fourth proportional to 32,279.10, 48,421.45 and 8,905.54 is: 13,359.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,279.10 : 48,421.45 = 8,905.54 : x
  2. Step 2: Convert to fraction form
    32,279.10/48,421.45 = 8,905.54/x
  3. Step 3: Cross multiply
    32,279.10x = 48,421.45 × 8,905.54
  4. Step 4: Simplify right side
    32,279.10x = 431,219,198.10
  5. Step 5: Solve for x
    x = 431,219,198.10/32,279.10
  6. Step 6: Final answer
    x = 13,359.08

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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.