Home / 36,261.68-54,359.71-12,882.65

Finding the Fourth Proportional to 36,261.68, 54,359.71 and 12,882.65

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Solution

The fourth proportional to 36,261.68, 54,359.71 and 12,882.65 is: 19,312.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,261.68 : 54,359.71 = 12,882.65 : x
  2. Step 2: Convert to fraction form
    36,261.68/54,359.71 = 12,882.65/x
  3. Step 3: Cross multiply
    36,261.68x = 54,359.71 × 12,882.65
  4. Step 4: Simplify right side
    36,261.68x = 700,296,814.03
  5. Step 5: Solve for x
    x = 700,296,814.03/36,261.68
  6. Step 6: Final answer
    x = 19,312.31

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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.