Home / 31,894.28-47,852.22-14,122.48

Finding the Fourth Proportional to 31,894.28, 47,852.22 and 14,122.48

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Solution

The fourth proportional to 31,894.28, 47,852.22 and 14,122.48 is: 21,188.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,894.28 : 47,852.22 = 14,122.48 : x
  2. Step 2: Convert to fraction form
    31,894.28/47,852.22 = 14,122.48/x
  3. Step 3: Cross multiply
    31,894.28x = 47,852.22 × 14,122.48
  4. Step 4: Simplify right side
    31,894.28x = 675,792,019.91
  5. Step 5: Solve for x
    x = 675,792,019.91/31,894.28
  6. Step 6: Final answer
    x = 21,188.51

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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.