Home / 56,780.38-85,174.22-19,330.03

Finding the Fourth Proportional to 56,780.38, 85,174.22 and 19,330.03

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Solution

The fourth proportional to 56,780.38, 85,174.22 and 19,330.03 is: 28,996.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,780.38 : 85,174.22 = 19,330.03 : x
  2. Step 2: Convert to fraction form
    56,780.38/85,174.22 = 19,330.03/x
  3. Step 3: Cross multiply
    56,780.38x = 85,174.22 × 19,330.03
  4. Step 4: Simplify right side
    56,780.38x = 1,646,420,227.83
  5. Step 5: Solve for x
    x = 1,646,420,227.83/56,780.38
  6. Step 6: Final answer
    x = 28,996.29

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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.