Home / 39,221.78-54,127.35-23,086.17

Finding the Fourth Proportional to 39,221.78, 54,127.35 and 23,086.17

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Solution

The fourth proportional to 39,221.78, 54,127.35 and 23,086.17 is: 31,859.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,221.78 : 54,127.35 = 23,086.17 : x
  2. Step 2: Convert to fraction form
    39,221.78/54,127.35 = 23,086.17/x
  3. Step 3: Cross multiply
    39,221.78x = 54,127.35 × 23,086.17
  4. Step 4: Simplify right side
    39,221.78x = 1,249,593,203.75
  5. Step 5: Solve for x
    x = 1,249,593,203.75/39,221.78
  6. Step 6: Final answer
    x = 31,859.68

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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.