Home / 45,917.65-68,876.33-25,918.08

Finding the Fourth Proportional to 45,917.65, 68,876.33 and 25,918.08

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Solution

The fourth proportional to 45,917.65, 68,876.33 and 25,918.08 is: 38,877.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,917.65 : 68,876.33 = 25,918.08 : x
  2. Step 2: Convert to fraction form
    45,917.65/68,876.33 = 25,918.08/x
  3. Step 3: Cross multiply
    45,917.65x = 68,876.33 × 25,918.08
  4. Step 4: Simplify right side
    45,917.65x = 1,785,141,843.17
  5. Step 5: Solve for x
    x = 1,785,141,843.17/45,917.65
  6. Step 6: Final answer
    x = 38,877.03

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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.