Home / 31,867.40-47,801.08-15,176.82

Finding the Fourth Proportional to 31,867.40, 47,801.08 and 15,176.82

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Solution

The fourth proportional to 31,867.40, 47,801.08 and 15,176.82 is: 22,765.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,867.40 : 47,801.08 = 15,176.82 : x
  2. Step 2: Convert to fraction form
    31,867.40/47,801.08 = 15,176.82/x
  3. Step 3: Cross multiply
    31,867.40x = 47,801.08 × 15,176.82
  4. Step 4: Simplify right side
    31,867.40x = 725,468,386.97
  5. Step 5: Solve for x
    x = 725,468,386.97/31,867.40
  6. Step 6: Final answer
    x = 22,765.22

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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.