Home / 39,111.15-53,972.78-22,114.97

Finding the Fourth Proportional to 39,111.15, 53,972.78 and 22,114.97

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Solution

The fourth proportional to 39,111.15, 53,972.78 and 22,114.97 is: 30,518.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,111.15 : 53,972.78 = 22,114.97 : x
  2. Step 2: Convert to fraction form
    39,111.15/53,972.78 = 22,114.97/x
  3. Step 3: Cross multiply
    39,111.15x = 53,972.78 × 22,114.97
  4. Step 4: Simplify right side
    39,111.15x = 1,193,606,660.47
  5. Step 5: Solve for x
    x = 1,193,606,660.47/39,111.15
  6. Step 6: Final answer
    x = 30,518.32

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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.