Home / 39,987.33-55,182.16-22,082.48

Finding the Fourth Proportional to 39,987.33, 55,182.16 and 22,082.48

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Solution

The fourth proportional to 39,987.33, 55,182.16 and 22,082.48 is: 30,473.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,987.33 : 55,182.16 = 22,082.48 : x
  2. Step 2: Convert to fraction form
    39,987.33/55,182.16 = 22,082.48/x
  3. Step 3: Cross multiply
    39,987.33x = 55,182.16 × 22,082.48
  4. Step 4: Simplify right side
    39,987.33x = 1,218,558,944.56
  5. Step 5: Solve for x
    x = 1,218,558,944.56/39,987.33
  6. Step 6: Final answer
    x = 30,473.63

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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.