Home / 31,603.13-47,375.39-11,894.75

Finding the Fourth Proportional to 31,603.13, 47,375.39 and 11,894.75

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Solution

The fourth proportional to 31,603.13, 47,375.39 and 11,894.75 is: 17,831.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,603.13 : 47,375.39 = 11,894.75 : x
  2. Step 2: Convert to fraction form
    31,603.13/47,375.39 = 11,894.75/x
  3. Step 3: Cross multiply
    31,603.13x = 47,375.39 × 11,894.75
  4. Step 4: Simplify right side
    31,603.13x = 563,518,183.33
  5. Step 5: Solve for x
    x = 563,518,183.33/31,603.13
  6. Step 6: Final answer
    x = 17,831.09

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1.5x scale

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.