Home / 31,920.75-47,881.13-10,032.75

Finding the Fourth Proportional to 31,920.75, 47,881.13 and 10,032.75

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Solution

The fourth proportional to 31,920.75, 47,881.13 and 10,032.75 is: 15,049.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,920.75 : 47,881.13 = 10,032.75 : x
  2. Step 2: Convert to fraction form
    31,920.75/47,881.13 = 10,032.75/x
  3. Step 3: Cross multiply
    31,920.75x = 47,881.13 × 10,032.75
  4. Step 4: Simplify right side
    31,920.75x = 480,379,356.84
  5. Step 5: Solve for x
    x = 480,379,356.84/31,920.75
  6. Step 6: Final answer
    x = 15,049.13

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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.