Home / 52,691.40-79,020.48-17,622.72

Finding the Fourth Proportional to 52,691.40, 79,020.48 and 17,622.72

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Solution

The fourth proportional to 52,691.40, 79,020.48 and 17,622.72 is: 26,428.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,691.40 : 79,020.48 = 17,622.72 : x
  2. Step 2: Convert to fraction form
    52,691.40/79,020.48 = 17,622.72/x
  3. Step 3: Cross multiply
    52,691.40x = 79,020.48 × 17,622.72
  4. Step 4: Simplify right side
    52,691.40x = 1,392,555,793.31
  5. Step 5: Solve for x
    x = 1,392,555,793.31/52,691.40
  6. Step 6: Final answer
    x = 26,428.52

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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.