Home / 31,831.85-47,726.88-17,793.36

Finding the Fourth Proportional to 31,831.85, 47,726.88 and 17,793.36

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Solution

The fourth proportional to 31,831.85, 47,726.88 and 17,793.36 is: 26,678.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,831.85 : 47,726.88 = 17,793.36 : x
  2. Step 2: Convert to fraction form
    31,831.85/47,726.88 = 17,793.36/x
  3. Step 3: Cross multiply
    31,831.85x = 47,726.88 × 17,793.36
  4. Step 4: Simplify right side
    31,831.85x = 849,221,557.52
  5. Step 5: Solve for x
    x = 849,221,557.52/31,831.85
  6. Step 6: Final answer
    x = 26,678.36

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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.