Home / 42,291.40-63,391.32-27,510.88

Finding the Fourth Proportional to 42,291.40, 63,391.32 and 27,510.88

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Solution

The fourth proportional to 42,291.40, 63,391.32 and 27,510.88 is: 41,236.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,291.40 : 63,391.32 = 27,510.88 : x
  2. Step 2: Convert to fraction form
    42,291.40/63,391.32 = 27,510.88/x
  3. Step 3: Cross multiply
    42,291.40x = 63,391.32 × 27,510.88
  4. Step 4: Simplify right side
    42,291.40x = 1,743,950,997.56
  5. Step 5: Solve for x
    x = 1,743,950,997.56/42,291.40
  6. Step 6: Final answer
    x = 41,236.54

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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.