Home / 51,537.30-71,155.59-39,579.18

Finding the Fourth Proportional to 51,537.30, 71,155.59 and 39,579.18

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Solution

The fourth proportional to 51,537.30, 71,155.59 and 39,579.18 is: 54,645.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,537.30 : 71,155.59 = 39,579.18 : x
  2. Step 2: Convert to fraction form
    51,537.30/71,155.59 = 39,579.18/x
  3. Step 3: Cross multiply
    51,537.30x = 71,155.59 × 39,579.18
  4. Step 4: Simplify right side
    51,537.30x = 2,816,279,904.62
  5. Step 5: Solve for x
    x = 2,816,279,904.62/51,537.30
  6. Step 6: Final answer
    x = 54,645.47

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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.