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Finding the Fourth Proportional to 39,010, 53,843.40 and 22,252.72

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Solution

The fourth proportional to 39,010, 53,843.40 and 22,252.72 is: 30,714.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,010 : 53,843.40 = 22,252.72 : x
  2. Step 2: Convert to fraction form
    39,010/53,843.40 = 22,252.72/x
  3. Step 3: Cross multiply
    39,010x = 53,843.40 × 22,252.72
  4. Step 4: Simplify right side
    39,010x = 1,198,162,104.05
  5. Step 5: Solve for x
    x = 1,198,162,104.05/39,010
  6. Step 6: Final answer
    x = 30,714.23

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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.