Home / 45,809.36-68,758.39-22,133.57

Finding the Fourth Proportional to 45,809.36, 68,758.39 and 22,133.57

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Solution

The fourth proportional to 45,809.36, 68,758.39 and 22,133.57 is: 33,221.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,809.36 : 68,758.39 = 22,133.57 : x
  2. Step 2: Convert to fraction form
    45,809.36/68,758.39 = 22,133.57/x
  3. Step 3: Cross multiply
    45,809.36x = 68,758.39 × 22,133.57
  4. Step 4: Simplify right side
    45,809.36x = 1,521,868,466.26
  5. Step 5: Solve for x
    x = 1,521,868,466.26/45,809.36
  6. Step 6: Final answer
    x = 33,221.78

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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.