Home / 39,084.39-53,727.84-38,838.42

Finding the Fourth Proportional to 39,084.39, 53,727.84 and 38,838.42

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Solution

The fourth proportional to 39,084.39, 53,727.84 and 38,838.42 is: 53,389.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,084.39 : 53,727.84 = 38,838.42 : x
  2. Step 2: Convert to fraction form
    39,084.39/53,727.84 = 38,838.42/x
  3. Step 3: Cross multiply
    39,084.39x = 53,727.84 × 38,838.42
  4. Step 4: Simplify right side
    39,084.39x = 2,086,704,415.61
  5. Step 5: Solve for x
    x = 2,086,704,415.61/39,084.39
  6. Step 6: Final answer
    x = 53,389.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.