Home / 39,971.26-55,154.82-22,974.22

Finding the Fourth Proportional to 39,971.26, 55,154.82 and 22,974.22

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Solution

The fourth proportional to 39,971.26, 55,154.82 and 22,974.22 is: 31,701.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,971.26 : 55,154.82 = 22,974.22 : x
  2. Step 2: Convert to fraction form
    39,971.26/55,154.82 = 22,974.22/x
  3. Step 3: Cross multiply
    39,971.26x = 55,154.82 × 22,974.22
  4. Step 4: Simplify right side
    39,971.26x = 1,267,138,968.74
  5. Step 5: Solve for x
    x = 1,267,138,968.74/39,971.26
  6. Step 6: Final answer
    x = 31,701.25

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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.