Home / 40,567.12-55,976.10-22,661.20

Finding the Fourth Proportional to 40,567.12, 55,976.10 and 22,661.20

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Solution

The fourth proportional to 40,567.12, 55,976.10 and 22,661.20 is: 31,268.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,567.12 : 55,976.10 = 22,661.20 : x
  2. Step 2: Convert to fraction form
    40,567.12/55,976.10 = 22,661.20/x
  3. Step 3: Cross multiply
    40,567.12x = 55,976.10 × 22,661.20
  4. Step 4: Simplify right side
    40,567.12x = 1,268,485,597.32
  5. Step 5: Solve for x
    x = 1,268,485,597.32/40,567.12
  6. Step 6: Final answer
    x = 31,268.81

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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.