Home / 31,838.22-43,952.33-19,905.41

Finding the Fourth Proportional to 31,838.22, 43,952.33 and 19,905.41

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Solution

The fourth proportional to 31,838.22, 43,952.33 and 19,905.41 is: 27,479.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,838.22 : 43,952.33 = 19,905.41 : x
  2. Step 2: Convert to fraction form
    31,838.22/43,952.33 = 19,905.41/x
  3. Step 3: Cross multiply
    31,838.22x = 43,952.33 × 19,905.41
  4. Step 4: Simplify right side
    31,838.22x = 874,889,149.11
  5. Step 5: Solve for x
    x = 874,889,149.11/31,838.22
  6. Step 6: Final answer
    x = 27,479.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.