Home / 39,175.74-54,071.91-22,418.46

Finding the Fourth Proportional to 39,175.74, 54,071.91 and 22,418.46

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Solution

The fourth proportional to 39,175.74, 54,071.91 and 22,418.46 is: 30,942.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,175.74 : 54,071.91 = 22,418.46 : x
  2. Step 2: Convert to fraction form
    39,175.74/54,071.91 = 22,418.46/x
  3. Step 3: Cross multiply
    39,175.74x = 54,071.91 × 22,418.46
  4. Step 4: Simplify right side
    39,175.74x = 1,212,208,951.46
  5. Step 5: Solve for x
    x = 1,212,208,951.46/39,175.74
  6. Step 6: Final answer
    x = 30,942.85

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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.