Home / 32,121.48-48,169.45-12,387.45

Finding the Fourth Proportional to 32,121.48, 48,169.45 and 12,387.45

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Solution

The fourth proportional to 32,121.48, 48,169.45 and 12,387.45 is: 18,576.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,121.48 : 48,169.45 = 12,387.45 : x
  2. Step 2: Convert to fraction form
    32,121.48/48,169.45 = 12,387.45/x
  3. Step 3: Cross multiply
    32,121.48x = 48,169.45 × 12,387.45
  4. Step 4: Simplify right side
    32,121.48x = 596,696,591.47
  5. Step 5: Solve for x
    x = 596,696,591.47/32,121.48
  6. Step 6: Final answer
    x = 18,576.25

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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.