Home / 39,961.02-55,147.04-22,055.98

Finding the Fourth Proportional to 39,961.02, 55,147.04 and 22,055.98

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Solution

The fourth proportional to 39,961.02, 55,147.04 and 22,055.98 is: 30,437.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,961.02 : 55,147.04 = 22,055.98 : x
  2. Step 2: Convert to fraction form
    39,961.02/55,147.04 = 22,055.98/x
  3. Step 3: Cross multiply
    39,961.02x = 55,147.04 × 22,055.98
  4. Step 4: Simplify right side
    39,961.02x = 1,216,322,011.30
  5. Step 5: Solve for x
    x = 1,216,322,011.30/39,961.02
  6. Step 6: Final answer
    x = 30,437.71

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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.