Home / 38,629.68-53,305.12-22,718.04

Finding the Fourth Proportional to 38,629.68, 53,305.12 and 22,718.04

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Solution

The fourth proportional to 38,629.68, 53,305.12 and 22,718.04 is: 31,348.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,629.68 : 53,305.12 = 22,718.04 : x
  2. Step 2: Convert to fraction form
    38,629.68/53,305.12 = 22,718.04/x
  3. Step 3: Cross multiply
    38,629.68x = 53,305.12 × 22,718.04
  4. Step 4: Simplify right side
    38,629.68x = 1,210,987,848.36
  5. Step 5: Solve for x
    x = 1,210,987,848.36/38,629.68
  6. Step 6: Final answer
    x = 31,348.64

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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.