Home / 36,731.45-55,097.18-10,432.78

Finding the Fourth Proportional to 36,731.45, 55,097.18 and 10,432.78

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Solution

The fourth proportional to 36,731.45, 55,097.18 and 10,432.78 is: 15,649.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,731.45 : 55,097.18 = 10,432.78 : x
  2. Step 2: Convert to fraction form
    36,731.45/55,097.18 = 10,432.78/x
  3. Step 3: Cross multiply
    36,731.45x = 55,097.18 × 10,432.78
  4. Step 4: Simplify right side
    36,731.45x = 574,816,567.65
  5. Step 5: Solve for x
    x = 574,816,567.65/36,731.45
  6. Step 6: Final answer
    x = 15,649.17

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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.