Home / 51,261.12-76,916.25-27,887.52

Finding the Fourth Proportional to 51,261.12, 76,916.25 and 27,887.52

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Solution

The fourth proportional to 51,261.12, 76,916.25 and 27,887.52 is: 41,844.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,261.12 : 76,916.25 = 27,887.52 : x
  2. Step 2: Convert to fraction form
    51,261.12/76,916.25 = 27,887.52/x
  3. Step 3: Cross multiply
    51,261.12x = 76,916.25 × 27,887.52
  4. Step 4: Simplify right side
    51,261.12x = 2,145,003,460.20
  5. Step 5: Solve for x
    x = 2,145,003,460.20/51,261.12
  6. Step 6: Final answer
    x = 41,844.65

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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.