Home / 39,579.36-54,656.16-25,456.56

Finding the Fourth Proportional to 39,579.36, 54,656.16 and 25,456.56

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Solution

The fourth proportional to 39,579.36, 54,656.16 and 25,456.56 is: 35,153.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,579.36 : 54,656.16 = 25,456.56 : x
  2. Step 2: Convert to fraction form
    39,579.36/54,656.16 = 25,456.56/x
  3. Step 3: Cross multiply
    39,579.36x = 54,656.16 × 25,456.56
  4. Step 4: Simplify right side
    39,579.36x = 1,391,357,816.41
  5. Step 5: Solve for x
    x = 1,391,357,816.41/39,579.36
  6. Step 6: Final answer
    x = 35,153.62

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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.