Home / 39,965.03-55,147.81-22,058.88

Finding the Fourth Proportional to 39,965.03, 55,147.81 and 22,058.88

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Solution

The fourth proportional to 39,965.03, 55,147.81 and 22,058.88 is: 30,439.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,965.03 : 55,147.81 = 22,058.88 : x
  2. Step 2: Convert to fraction form
    39,965.03/55,147.81 = 22,058.88/x
  3. Step 3: Cross multiply
    39,965.03x = 55,147.81 × 22,058.88
  4. Step 4: Simplify right side
    39,965.03x = 1,216,498,923.05
  5. Step 5: Solve for x
    x = 1,216,498,923.05/39,965.03
  6. Step 6: Final answer
    x = 30,439.08

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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.