Home / 32,145.20-48,217.80-13,677.20

Finding the Fourth Proportional to 32,145.20, 48,217.80 and 13,677.20

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Solution

The fourth proportional to 32,145.20, 48,217.80 and 13,677.20 is: 20,515.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,145.20 : 48,217.80 = 13,677.20 : x
  2. Step 2: Convert to fraction form
    32,145.20/48,217.80 = 13,677.20/x
  3. Step 3: Cross multiply
    32,145.20x = 48,217.80 × 13,677.20
  4. Step 4: Simplify right side
    32,145.20x = 659,484,494.16
  5. Step 5: Solve for x
    x = 659,484,494.16/32,145.20
  6. Step 6: Final answer
    x = 20,515.80

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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.