Home / 39,801.72-54,934.22-22,817.36

Finding the Fourth Proportional to 39,801.72, 54,934.22 and 22,817.36

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Solution

The fourth proportional to 39,801.72, 54,934.22 and 22,817.36 is: 31,492.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,801.72 : 54,934.22 = 22,817.36 : x
  2. Step 2: Convert to fraction form
    39,801.72/54,934.22 = 22,817.36/x
  3. Step 3: Cross multiply
    39,801.72x = 54,934.22 × 22,817.36
  4. Step 4: Simplify right side
    39,801.72x = 1,253,453,874.06
  5. Step 5: Solve for x
    x = 1,253,453,874.06/39,801.72
  6. Step 6: Final answer
    x = 31,492.45

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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.