Home / 39,613.09-54,667.56-22,620.10

Finding the Fourth Proportional to 39,613.09, 54,667.56 and 22,620.10

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Solution

The fourth proportional to 39,613.09, 54,667.56 and 22,620.10 is: 31,216.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,613.09 : 54,667.56 = 22,620.10 : x
  2. Step 2: Convert to fraction form
    39,613.09/54,667.56 = 22,620.10/x
  3. Step 3: Cross multiply
    39,613.09x = 54,667.56 × 22,620.10
  4. Step 4: Simplify right side
    39,613.09x = 1,236,585,673.96
  5. Step 5: Solve for x
    x = 1,236,585,673.96/39,613.09
  6. Step 6: Final answer
    x = 31,216.59

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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.