Home / 31,867.53-47,801.28-9,680.82

Finding the Fourth Proportional to 31,867.53, 47,801.28 and 9,680.82

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Solution

The fourth proportional to 31,867.53, 47,801.28 and 9,680.82 is: 14,521.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,867.53 : 47,801.28 = 9,680.82 : x
  2. Step 2: Convert to fraction form
    31,867.53/47,801.28 = 9,680.82/x
  3. Step 3: Cross multiply
    31,867.53x = 47,801.28 × 9,680.82
  4. Step 4: Simplify right side
    31,867.53x = 462,755,587.45
  5. Step 5: Solve for x
    x = 462,755,587.45/31,867.53
  6. Step 6: Final answer
    x = 14,521.23

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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.