Home / 32,077.20-48,115.80-9,888.60

Finding the Fourth Proportional to 32,077.20, 48,115.80 and 9,888.60

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Solution

The fourth proportional to 32,077.20, 48,115.80 and 9,888.60 is: 14,832.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,077.20 : 48,115.80 = 9,888.60 : x
  2. Step 2: Convert to fraction form
    32,077.20/48,115.80 = 9,888.60/x
  3. Step 3: Cross multiply
    32,077.20x = 48,115.80 × 9,888.60
  4. Step 4: Simplify right side
    32,077.20x = 475,797,899.88
  5. Step 5: Solve for x
    x = 475,797,899.88/32,077.20
  6. Step 6: Final answer
    x = 14,832.90

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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.