Home / 51,047.12-76,569.72-27,821.36

Finding the Fourth Proportional to 51,047.12, 76,569.72 and 27,821.36

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Solution

The fourth proportional to 51,047.12, 76,569.72 and 27,821.36 is: 41,731.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,047.12 : 76,569.72 = 27,821.36 : x
  2. Step 2: Convert to fraction form
    51,047.12/76,569.72 = 27,821.36/x
  3. Step 3: Cross multiply
    51,047.12x = 76,569.72 × 27,821.36
  4. Step 4: Simplify right side
    51,047.12x = 2,130,273,745.22
  5. Step 5: Solve for x
    x = 2,130,273,745.22/51,047.12
  6. Step 6: Final answer
    x = 41,731.52

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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.