Home / 31,889.26-47,833.98-11,112.76

Finding the Fourth Proportional to 31,889.26, 47,833.98 and 11,112.76

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Solution

The fourth proportional to 31,889.26, 47,833.98 and 11,112.76 is: 16,669.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,889.26 : 47,833.98 = 11,112.76 : x
  2. Step 2: Convert to fraction form
    31,889.26/47,833.98 = 11,112.76/x
  3. Step 3: Cross multiply
    31,889.26x = 47,833.98 × 11,112.76
  4. Step 4: Simplify right side
    31,889.26x = 531,567,539.58
  5. Step 5: Solve for x
    x = 531,567,539.58/31,889.26
  6. Step 6: Final answer
    x = 16,669.17

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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.