Home / 31,907.88-47,778.21-22,496.95

Finding the Fourth Proportional to 31,907.88, 47,778.21 and 22,496.95

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Solution

The fourth proportional to 31,907.88, 47,778.21 and 22,496.95 is: 33,686.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,907.88 : 47,778.21 = 22,496.95 : x
  2. Step 2: Convert to fraction form
    31,907.88/47,778.21 = 22,496.95/x
  3. Step 3: Cross multiply
    31,907.88x = 47,778.21 × 22,496.95
  4. Step 4: Simplify right side
    31,907.88x = 1,074,864,001.46
  5. Step 5: Solve for x
    x = 1,074,864,001.46/31,907.88
  6. Step 6: Final answer
    x = 33,686.47

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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.