Home / 31,911.62-47,867.41-14,360.95

Finding the Fourth Proportional to 31,911.62, 47,867.41 and 14,360.95

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Solution

The fourth proportional to 31,911.62, 47,867.41 and 14,360.95 is: 21,541.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,911.62 : 47,867.41 = 14,360.95 : x
  2. Step 2: Convert to fraction form
    31,911.62/47,867.41 = 14,360.95/x
  3. Step 3: Cross multiply
    31,911.62x = 47,867.41 × 14,360.95
  4. Step 4: Simplify right side
    31,911.62x = 687,421,170.50
  5. Step 5: Solve for x
    x = 687,421,170.50/31,911.62
  6. Step 6: Final answer
    x = 21,541.41

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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.