Home / 39,511.78-54,531.35-22,522.22

Finding the Fourth Proportional to 39,511.78, 54,531.35 and 22,522.22

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Solution

The fourth proportional to 39,511.78, 54,531.35 and 22,522.22 is: 31,083.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,511.78 : 54,531.35 = 22,522.22 : x
  2. Step 2: Convert to fraction form
    39,511.78/54,531.35 = 22,522.22/x
  3. Step 3: Cross multiply
    39,511.78x = 54,531.35 × 22,522.22
  4. Step 4: Simplify right side
    39,511.78x = 1,228,167,061.60
  5. Step 5: Solve for x
    x = 1,228,167,061.60/39,511.78
  6. Step 6: Final answer
    x = 31,083.57

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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.