Home / 39,838.14-54,979.26-23,071.14

Finding the Fourth Proportional to 39,838.14, 54,979.26 and 23,071.14

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Solution

The fourth proportional to 39,838.14, 54,979.26 and 23,071.14 is: 31,839.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,838.14 : 54,979.26 = 23,071.14 : x
  2. Step 2: Convert to fraction form
    39,838.14/54,979.26 = 23,071.14/x
  3. Step 3: Cross multiply
    39,838.14x = 54,979.26 × 23,071.14
  4. Step 4: Simplify right side
    39,838.14x = 1,268,434,204.56
  5. Step 5: Solve for x
    x = 1,268,434,204.56/39,838.14
  6. Step 6: Final answer
    x = 31,839.69

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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.