Home / 32,587.20-48,889.40-12,860.96

Finding the Fourth Proportional to 32,587.20, 48,889.40 and 12,860.96

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Solution

The fourth proportional to 32,587.20, 48,889.40 and 12,860.96 is: 19,294.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,587.20 : 48,889.40 = 12,860.96 : x
  2. Step 2: Convert to fraction form
    32,587.20/48,889.40 = 12,860.96/x
  3. Step 3: Cross multiply
    32,587.20x = 48,889.40 × 12,860.96
  4. Step 4: Simplify right side
    32,587.20x = 628,764,617.82
  5. Step 5: Solve for x
    x = 628,764,617.82/32,587.20
  6. Step 6: Final answer
    x = 19,294.83

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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.