Home / 31,266.85-43,152.55-19,174.56

Finding the Fourth Proportional to 31,266.85, 43,152.55 and 19,174.56

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Solution

The fourth proportional to 31,266.85, 43,152.55 and 19,174.56 is: 26,463.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,266.85 : 43,152.55 = 19,174.56 : x
  2. Step 2: Convert to fraction form
    31,266.85/43,152.55 = 19,174.56/x
  3. Step 3: Cross multiply
    31,266.85x = 43,152.55 × 19,174.56
  4. Step 4: Simplify right side
    31,266.85x = 827,430,847.49
  5. Step 5: Solve for x
    x = 827,430,847.49/31,266.85
  6. Step 6: Final answer
    x = 26,463.52

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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.