Home / 34,838.76-48,078.24-19,731.48

Finding the Fourth Proportional to 34,838.76, 48,078.24 and 19,731.48

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Solution

The fourth proportional to 34,838.76, 48,078.24 and 19,731.48 is: 27,229.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,838.76 : 48,078.24 = 19,731.48 : x
  2. Step 2: Convert to fraction form
    34,838.76/48,078.24 = 19,731.48/x
  3. Step 3: Cross multiply
    34,838.76x = 48,078.24 × 19,731.48
  4. Step 4: Simplify right side
    34,838.76x = 948,654,831.00
  5. Step 5: Solve for x
    x = 948,654,831.00/34,838.76
  6. Step 6: Final answer
    x = 27,229.87

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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.