Home / 39,935.43-55,110.38-22,031.19

Finding the Fourth Proportional to 39,935.43, 55,110.38 and 22,031.19

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Solution

The fourth proportional to 39,935.43, 55,110.38 and 22,031.19 is: 30,402.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,935.43 : 55,110.38 = 22,031.19 : x
  2. Step 2: Convert to fraction form
    39,935.43/55,110.38 = 22,031.19/x
  3. Step 3: Cross multiply
    39,935.43x = 55,110.38 × 22,031.19
  4. Step 4: Simplify right side
    39,935.43x = 1,214,147,142.60
  5. Step 5: Solve for x
    x = 1,214,147,142.60/39,935.43
  6. Step 6: Final answer
    x = 30,402.76

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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.