Home / 39,682.78-59,382.04-34,364.38

Finding the Fourth Proportional to 39,682.78, 59,382.04 and 34,364.38

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Solution

The fourth proportional to 39,682.78, 59,382.04 and 34,364.38 is: 51,423.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,682.78 : 59,382.04 = 34,364.38 : x
  2. Step 2: Convert to fraction form
    39,682.78/59,382.04 = 34,364.38/x
  3. Step 3: Cross multiply
    39,682.78x = 59,382.04 × 34,364.38
  4. Step 4: Simplify right side
    39,682.78x = 2,040,626,987.74
  5. Step 5: Solve for x
    x = 2,040,626,987.74/39,682.78
  6. Step 6: Final answer
    x = 51,423.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.