Home / 39,967.16-55,147.77-22,967.42

Finding the Fourth Proportional to 39,967.16, 55,147.77 and 22,967.42

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Solution

The fourth proportional to 39,967.16, 55,147.77 and 22,967.42 is: 31,691.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,967.16 : 55,147.77 = 22,967.42 : x
  2. Step 2: Convert to fraction form
    39,967.16/55,147.77 = 22,967.42/x
  3. Step 3: Cross multiply
    39,967.16x = 55,147.77 × 22,967.42
  4. Step 4: Simplify right side
    39,967.16x = 1,266,601,719.91
  5. Step 5: Solve for x
    x = 1,266,601,719.91/39,967.16
  6. Step 6: Final answer
    x = 31,691.07

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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.