Home / 31,511.56-47,135.82-22,150.92

Finding the Fourth Proportional to 31,511.56, 47,135.82 and 22,150.92

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Solution

The fourth proportional to 31,511.56, 47,135.82 and 22,150.92 is: 33,133.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,511.56 : 47,135.82 = 22,150.92 : x
  2. Step 2: Convert to fraction form
    31,511.56/47,135.82 = 22,150.92/x
  3. Step 3: Cross multiply
    31,511.56x = 47,135.82 × 22,150.92
  4. Step 4: Simplify right side
    31,511.56x = 1,044,101,777.95
  5. Step 5: Solve for x
    x = 1,044,101,777.95/31,511.56
  6. Step 6: Final answer
    x = 33,133.93

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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.