Home / 32,685.20-49,034.28-12,960.08

Finding the Fourth Proportional to 32,685.20, 49,034.28 and 12,960.08

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Solution

The fourth proportional to 32,685.20, 49,034.28 and 12,960.08 is: 19,442.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,685.20 : 49,034.28 = 12,960.08 : x
  2. Step 2: Convert to fraction form
    32,685.20/49,034.28 = 12,960.08/x
  3. Step 3: Cross multiply
    32,685.20x = 49,034.28 × 12,960.08
  4. Step 4: Simplify right side
    32,685.20x = 635,488,191.54
  5. Step 5: Solve for x
    x = 635,488,191.54/32,685.20
  6. Step 6: Final answer
    x = 19,442.69

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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.