Home / 39,964.03-55,146.43-22,057.88

Finding the Fourth Proportional to 39,964.03, 55,146.43 and 22,057.88

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Solution

The fourth proportional to 39,964.03, 55,146.43 and 22,057.88 is: 30,437.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,964.03 : 55,146.43 = 22,057.88 : x
  2. Step 2: Convert to fraction form
    39,964.03/55,146.43 = 22,057.88/x
  3. Step 3: Cross multiply
    39,964.03x = 55,146.43 × 22,057.88
  4. Step 4: Simplify right side
    39,964.03x = 1,216,413,335.37
  5. Step 5: Solve for x
    x = 1,216,413,335.37/39,964.03
  6. Step 6: Final answer
    x = 30,437.70

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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.