Home / 31,833.19-43,910.94-21,756.52

Finding the Fourth Proportional to 31,833.19, 43,910.94 and 21,756.52

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Solution

The fourth proportional to 31,833.19, 43,910.94 and 21,756.52 is: 30,011.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,833.19 : 43,910.94 = 21,756.52 : x
  2. Step 2: Convert to fraction form
    31,833.19/43,910.94 = 21,756.52/x
  3. Step 3: Cross multiply
    31,833.19x = 43,910.94 × 21,756.52
  4. Step 4: Simplify right side
    31,833.19x = 955,349,244.33
  5. Step 5: Solve for x
    x = 955,349,244.33/31,833.19
  6. Step 6: Final answer
    x = 30,011.11

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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.