Home / 39,719.08-54,798.61-25,387.29

Finding the Fourth Proportional to 39,719.08, 54,798.61 and 25,387.29

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Solution

The fourth proportional to 39,719.08, 54,798.61 and 25,387.29 is: 35,025.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,719.08 : 54,798.61 = 25,387.29 : x
  2. Step 2: Convert to fraction form
    39,719.08/54,798.61 = 25,387.29/x
  3. Step 3: Cross multiply
    39,719.08x = 54,798.61 × 25,387.29
  4. Step 4: Simplify right side
    39,719.08x = 1,391,188,203.67
  5. Step 5: Solve for x
    x = 1,391,188,203.67/39,719.08
  6. Step 6: Final answer
    x = 35,025.69

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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.