Home / 52,229.48-78,290.59-20,626.73

Finding the Fourth Proportional to 52,229.48, 78,290.59 and 20,626.73

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Solution

The fourth proportional to 52,229.48, 78,290.59 and 20,626.73 is: 30,918.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,229.48 : 78,290.59 = 20,626.73 : x
  2. Step 2: Convert to fraction form
    52,229.48/78,290.59 = 20,626.73/x
  3. Step 3: Cross multiply
    52,229.48x = 78,290.59 × 20,626.73
  4. Step 4: Simplify right side
    52,229.48x = 1,614,878,366.88
  5. Step 5: Solve for x
    x = 1,614,878,366.88/52,229.48
  6. Step 6: Final answer
    x = 30,918.91

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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.