Home / 39,100.77-53,944.92-25,679.30

Finding the Fourth Proportional to 39,100.77, 53,944.92 and 25,679.30

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Solution

The fourth proportional to 39,100.77, 53,944.92 and 25,679.30 is: 35,428.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,100.77 : 53,944.92 = 25,679.30 : x
  2. Step 2: Convert to fraction form
    39,100.77/53,944.92 = 25,679.30/x
  3. Step 3: Cross multiply
    39,100.77x = 53,944.92 × 25,679.30
  4. Step 4: Simplify right side
    39,100.77x = 1,385,267,514.43
  5. Step 5: Solve for x
    x = 1,385,267,514.43/39,100.77
  6. Step 6: Final answer
    x = 35,428.14

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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.