Home / 39,949.17-55,131.63-22,958.91

Finding the Fourth Proportional to 39,949.17, 55,131.63 and 22,958.91

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Solution

The fourth proportional to 39,949.17, 55,131.63 and 22,958.91 is: 31,684.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,949.17 : 55,131.63 = 22,958.91 : x
  2. Step 2: Convert to fraction form
    39,949.17/55,131.63 = 22,958.91/x
  3. Step 3: Cross multiply
    39,949.17x = 55,131.63 × 22,958.91
  4. Step 4: Simplify right side
    39,949.17x = 1,265,762,131.32
  5. Step 5: Solve for x
    x = 1,265,762,131.32/39,949.17
  6. Step 6: Final answer
    x = 31,684.32

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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.