Home / 34,831.31-48,067.20-18,915.75

Finding the Fourth Proportional to 34,831.31, 48,067.20 and 18,915.75

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Solution

The fourth proportional to 34,831.31, 48,067.20 and 18,915.75 is: 26,103.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,831.31 : 48,067.20 = 18,915.75 : x
  2. Step 2: Convert to fraction form
    34,831.31/48,067.20 = 18,915.75/x
  3. Step 3: Cross multiply
    34,831.31x = 48,067.20 × 18,915.75
  4. Step 4: Simplify right side
    34,831.31x = 909,227,138.40
  5. Step 5: Solve for x
    x = 909,227,138.40/34,831.31
  6. Step 6: Final answer
    x = 26,103.73

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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.