Home / 31,947.45-47,926.94-10,886.33

Finding the Fourth Proportional to 31,947.45, 47,926.94 and 10,886.33

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Solution

The fourth proportional to 31,947.45, 47,926.94 and 10,886.33 is: 16,331.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,947.45 : 47,926.94 = 10,886.33 : x
  2. Step 2: Convert to fraction form
    31,947.45/47,926.94 = 10,886.33/x
  3. Step 3: Cross multiply
    31,947.45x = 47,926.94 × 10,886.33
  4. Step 4: Simplify right side
    31,947.45x = 521,748,190.66
  5. Step 5: Solve for x
    x = 521,748,190.66/31,947.45
  6. Step 6: Final answer
    x = 16,331.45

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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.