Home / 31,989.52-44,153.45-21,797.41

Finding the Fourth Proportional to 31,989.52, 44,153.45 and 21,797.41

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Solution

The fourth proportional to 31,989.52, 44,153.45 and 21,797.41 is: 30,085.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,989.52 : 44,153.45 = 21,797.41 : x
  2. Step 2: Convert to fraction form
    31,989.52/44,153.45 = 21,797.41/x
  3. Step 3: Cross multiply
    31,989.52x = 44,153.45 × 21,797.41
  4. Step 4: Simplify right side
    31,989.52x = 962,430,852.56
  5. Step 5: Solve for x
    x = 962,430,852.56/31,989.52
  6. Step 6: Final answer
    x = 30,085.82

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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.