Home / 33,108.40-45,644.87-22,479.58

Finding the Fourth Proportional to 33,108.40, 45,644.87 and 22,479.58

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Solution

The fourth proportional to 33,108.40, 45,644.87 and 22,479.58 is: 30,991.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,108.40 : 45,644.87 = 22,479.58 : x
  2. Step 2: Convert to fraction form
    33,108.40/45,644.87 = 22,479.58/x
  3. Step 3: Cross multiply
    33,108.40x = 45,644.87 × 22,479.58
  4. Step 4: Simplify right side
    33,108.40x = 1,026,077,506.75
  5. Step 5: Solve for x
    x = 1,026,077,506.75/33,108.40
  6. Step 6: Final answer
    x = 30,991.46

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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.