Home / 38,257.18-52,779.80-22,121.57

Finding the Fourth Proportional to 38,257.18, 52,779.80 and 22,121.57

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Solution

The fourth proportional to 38,257.18, 52,779.80 and 22,121.57 is: 30,519.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,257.18 : 52,779.80 = 22,121.57 : x
  2. Step 2: Convert to fraction form
    38,257.18/52,779.80 = 22,121.57/x
  3. Step 3: Cross multiply
    38,257.18x = 52,779.80 × 22,121.57
  4. Step 4: Simplify right side
    38,257.18x = 1,167,572,227.54
  5. Step 5: Solve for x
    x = 1,167,572,227.54/38,257.18
  6. Step 6: Final answer
    x = 30,519.04

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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.