Home / 39,525.03-54,543.92-21,619.71

Finding the Fourth Proportional to 39,525.03, 54,543.92 and 21,619.71

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Solution

The fourth proportional to 39,525.03, 54,543.92 and 21,619.71 is: 29,834.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,525.03 : 54,543.92 = 21,619.71 : x
  2. Step 2: Convert to fraction form
    39,525.03/54,543.92 = 21,619.71/x
  3. Step 3: Cross multiply
    39,525.03x = 54,543.92 × 21,619.71
  4. Step 4: Simplify right side
    39,525.03x = 1,179,223,624.56
  5. Step 5: Solve for x
    x = 1,179,223,624.56/39,525.03
  6. Step 6: Final answer
    x = 29,834.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.