Home / 39,133.53-54,378.89-38,727.11

Finding the Fourth Proportional to 39,133.53, 54,378.89 and 38,727.11

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Solution

The fourth proportional to 39,133.53, 54,378.89 and 38,727.11 is: 53,814.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,133.53 : 54,378.89 = 38,727.11 : x
  2. Step 2: Convert to fraction form
    39,133.53/54,378.89 = 38,727.11/x
  3. Step 3: Cross multiply
    39,133.53x = 54,378.89 × 38,727.11
  4. Step 4: Simplify right side
    39,133.53x = 2,105,937,560.09
  5. Step 5: Solve for x
    x = 2,105,937,560.09/39,133.53
  6. Step 6: Final answer
    x = 53,814.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.