Home / 34,747.13-47,951.03-18,831.58

Finding the Fourth Proportional to 34,747.13, 47,951.03 and 18,831.58

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Solution

The fourth proportional to 34,747.13, 47,951.03 and 18,831.58 is: 25,987.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,747.13 : 47,951.03 = 18,831.58 : x
  2. Step 2: Convert to fraction form
    34,747.13/47,951.03 = 18,831.58/x
  3. Step 3: Cross multiply
    34,747.13x = 47,951.03 × 18,831.58
  4. Step 4: Simplify right side
    34,747.13x = 902,993,323.61
  5. Step 5: Solve for x
    x = 902,993,323.61/34,747.13
  6. Step 6: Final answer
    x = 25,987.57

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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.