Home / 40,268.12-55,570.76-22,364.80

Finding the Fourth Proportional to 40,268.12, 55,570.76 and 22,364.80

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Solution

The fourth proportional to 40,268.12, 55,570.76 and 22,364.80 is: 30,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,268.12 : 55,570.76 = 22,364.80 : x
  2. Step 2: Convert to fraction form
    40,268.12/55,570.76 = 22,364.80/x
  3. Step 3: Cross multiply
    40,268.12x = 55,570.76 × 22,364.80
  4. Step 4: Simplify right side
    40,268.12x = 1,242,828,933.25
  5. Step 5: Solve for x
    x = 1,242,828,933.25/40,268.12
  6. Step 6: Final answer
    x = 30,863.84

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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.