Home / 39,725.64-54,844.29-27,643.68

Finding the Fourth Proportional to 39,725.64, 54,844.29 and 27,643.68

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Solution

The fourth proportional to 39,725.64, 54,844.29 and 27,643.68 is: 38,164.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,725.64 : 54,844.29 = 27,643.68 : x
  2. Step 2: Convert to fraction form
    39,725.64/54,844.29 = 27,643.68/x
  3. Step 3: Cross multiply
    39,725.64x = 54,844.29 × 27,643.68
  4. Step 4: Simplify right side
    39,725.64x = 1,516,098,002.59
  5. Step 5: Solve for x
    x = 1,516,098,002.59/39,725.64
  6. Step 6: Final answer
    x = 38,164.22

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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.