Home / 39,719.22-59,549.97-18,648.42

Finding the Fourth Proportional to 39,719.22, 59,549.97 and 18,648.42

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Solution

The fourth proportional to 39,719.22, 59,549.97 and 18,648.42 is: 27,959.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,719.22 : 59,549.97 = 18,648.42 : x
  2. Step 2: Convert to fraction form
    39,719.22/59,549.97 = 18,648.42/x
  3. Step 3: Cross multiply
    39,719.22x = 59,549.97 × 18,648.42
  4. Step 4: Simplify right side
    39,719.22x = 1,110,512,851.55
  5. Step 5: Solve for x
    x = 1,110,512,851.55/39,719.22
  6. Step 6: Final answer
    x = 27,959.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.