Home / 51,577.65-71,180.56-28,918.12

Finding the Fourth Proportional to 51,577.65, 71,180.56 and 28,918.12

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Solution

The fourth proportional to 51,577.65, 71,180.56 and 28,918.12 is: 39,908.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,577.65 : 71,180.56 = 28,918.12 : x
  2. Step 2: Convert to fraction form
    51,577.65/71,180.56 = 28,918.12/x
  3. Step 3: Cross multiply
    51,577.65x = 71,180.56 × 28,918.12
  4. Step 4: Simplify right side
    51,577.65x = 2,058,407,975.75
  5. Step 5: Solve for x
    x = 2,058,407,975.75/51,577.65
  6. Step 6: Final answer
    x = 39,908.91

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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.