Home / 31,947.42-47,928.42-9,763.95

Finding the Fourth Proportional to 31,947.42, 47,928.42 and 9,763.95

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Solution

The fourth proportional to 31,947.42, 47,928.42 and 9,763.95 is: 14,648.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,947.42 : 47,928.42 = 9,763.95 : x
  2. Step 2: Convert to fraction form
    31,947.42/47,928.42 = 9,763.95/x
  3. Step 3: Cross multiply
    31,947.42x = 47,928.42 × 9,763.95
  4. Step 4: Simplify right side
    31,947.42x = 467,970,696.46
  5. Step 5: Solve for x
    x = 467,970,696.46/31,947.42
  6. Step 6: Final answer
    x = 14,648.15

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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.