Home / 38,991.90-53,806.32-22,223.82

Finding the Fourth Proportional to 38,991.90, 53,806.32 and 22,223.82

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Solution

The fourth proportional to 38,991.90, 53,806.32 and 22,223.82 is: 30,667.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,991.90 : 53,806.32 = 22,223.82 : x
  2. Step 2: Convert to fraction form
    38,991.90/53,806.32 = 22,223.82/x
  3. Step 3: Cross multiply
    38,991.90x = 53,806.32 × 22,223.82
  4. Step 4: Simplify right side
    38,991.90x = 1,195,781,970.54
  5. Step 5: Solve for x
    x = 1,195,781,970.54/38,991.90
  6. Step 6: Final answer
    x = 30,667.45

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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.