Home / 39,714.98-54,806.85-22,719.42

Finding the Fourth Proportional to 39,714.98, 54,806.85 and 22,719.42

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Solution

The fourth proportional to 39,714.98, 54,806.85 and 22,719.42 is: 31,352.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,714.98 : 54,806.85 = 22,719.42 : x
  2. Step 2: Convert to fraction form
    39,714.98/54,806.85 = 22,719.42/x
  3. Step 3: Cross multiply
    39,714.98x = 54,806.85 × 22,719.42
  4. Step 4: Simplify right side
    39,714.98x = 1,245,179,844.03
  5. Step 5: Solve for x
    x = 1,245,179,844.03/39,714.98
  6. Step 6: Final answer
    x = 31,352.91

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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.