Home / 51,182.78-76,781.10-17,895.02

Finding the Fourth Proportional to 51,182.78, 76,781.10 and 17,895.02

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Solution

The fourth proportional to 51,182.78, 76,781.10 and 17,895.02 is: 26,844.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,182.78 : 76,781.10 = 17,895.02 : x
  2. Step 2: Convert to fraction form
    51,182.78/76,781.10 = 17,895.02/x
  3. Step 3: Cross multiply
    51,182.78x = 76,781.10 × 17,895.02
  4. Step 4: Simplify right side
    51,182.78x = 1,373,999,320.12
  5. Step 5: Solve for x
    x = 1,373,999,320.12/51,182.78
  6. Step 6: Final answer
    x = 26,844.95

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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.