Home / 38,919.36-53,689.92-25,486.08

Finding the Fourth Proportional to 38,919.36, 53,689.92 and 25,486.08

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Solution

The fourth proportional to 38,919.36, 53,689.92 and 25,486.08 is: 35,158.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,919.36 : 53,689.92 = 25,486.08 : x
  2. Step 2: Convert to fraction form
    38,919.36/53,689.92 = 25,486.08/x
  3. Step 3: Cross multiply
    38,919.36x = 53,689.92 × 25,486.08
  4. Step 4: Simplify right side
    38,919.36x = 1,368,345,596.31
  5. Step 5: Solve for x
    x = 1,368,345,596.31/38,919.36
  6. Step 6: Final answer
    x = 35,158.48

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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.