Home / 39,990.78-60,047.82-33,831.72

Finding the Fourth Proportional to 39,990.78, 60,047.82 and 33,831.72

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Solution

The fourth proportional to 39,990.78, 60,047.82 and 33,831.72 is: 50,799.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,990.78 : 60,047.82 = 33,831.72 : x
  2. Step 2: Convert to fraction form
    39,990.78/60,047.82 = 33,831.72/x
  3. Step 3: Cross multiply
    39,990.78x = 60,047.82 × 33,831.72
  4. Step 4: Simplify right side
    39,990.78x = 2,031,521,032.85
  5. Step 5: Solve for x
    x = 2,031,521,032.85/39,990.78
  6. Step 6: Final answer
    x = 50,799.74

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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.