Home / 39,107.84-53,971.68-22,340.48

Finding the Fourth Proportional to 39,107.84, 53,971.68 and 22,340.48

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Solution

The fourth proportional to 39,107.84, 53,971.68 and 22,340.48 is: 30,831.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,107.84 : 53,971.68 = 22,340.48 : x
  2. Step 2: Convert to fraction form
    39,107.84/53,971.68 = 22,340.48/x
  3. Step 3: Cross multiply
    39,107.84x = 53,971.68 × 22,340.48
  4. Step 4: Simplify right side
    39,107.84x = 1,205,753,237.61
  5. Step 5: Solve for x
    x = 1,205,753,237.61/39,107.84
  6. Step 6: Final answer
    x = 30,831.50

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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.