Home / 36,287.52-54,441.36-20,716.08

Finding the Fourth Proportional to 36,287.52, 54,441.36 and 20,716.08

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Solution

The fourth proportional to 36,287.52, 54,441.36 and 20,716.08 is: 31,079.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,287.52 : 54,441.36 = 20,716.08 : x
  2. Step 2: Convert to fraction form
    36,287.52/54,441.36 = 20,716.08/x
  3. Step 3: Cross multiply
    36,287.52x = 54,441.36 × 20,716.08
  4. Step 4: Simplify right side
    36,287.52x = 1,127,811,569.07
  5. Step 5: Solve for x
    x = 1,127,811,569.07/36,287.52
  6. Step 6: Final answer
    x = 31,079.87

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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.