Home / 39,719.54-54,799.27-25,387.76

Finding the Fourth Proportional to 39,719.54, 54,799.27 and 25,387.76

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Solution

The fourth proportional to 39,719.54, 54,799.27 and 25,387.76 is: 35,026.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,719.54 : 54,799.27 = 25,387.76 : x
  2. Step 2: Convert to fraction form
    39,719.54/54,799.27 = 25,387.76/x
  3. Step 3: Cross multiply
    39,719.54x = 54,799.27 × 25,387.76
  4. Step 4: Simplify right side
    39,719.54x = 1,391,230,714.94
  5. Step 5: Solve for x
    x = 1,391,230,714.94/39,719.54
  6. Step 6: Final answer
    x = 35,026.36

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1.5x scale

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.