Home / 40,055.36-55,274.18-22,149.18

Finding the Fourth Proportional to 40,055.36, 55,274.18 and 22,149.18

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Solution

The fourth proportional to 40,055.36, 55,274.18 and 22,149.18 is: 30,564.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,055.36 : 55,274.18 = 22,149.18 : x
  2. Step 2: Convert to fraction form
    40,055.36/55,274.18 = 22,149.18/x
  3. Step 3: Cross multiply
    40,055.36x = 55,274.18 × 22,149.18
  4. Step 4: Simplify right side
    40,055.36x = 1,224,277,651.43
  5. Step 5: Solve for x
    x = 1,224,277,651.43/40,055.36
  6. Step 6: Final answer
    x = 30,564.64

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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.