Home / 39,479.07-59,227.89-12,824.97

Finding the Fourth Proportional to 39,479.07, 59,227.89 and 12,824.97

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Solution

The fourth proportional to 39,479.07, 59,227.89 and 12,824.97 is: 19,240.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,479.07 : 59,227.89 = 12,824.97 : x
  2. Step 2: Convert to fraction form
    39,479.07/59,227.89 = 12,824.97/x
  3. Step 3: Cross multiply
    39,479.07x = 59,227.89 × 12,824.97
  4. Step 4: Simplify right side
    39,479.07x = 759,595,912.41
  5. Step 5: Solve for x
    x = 759,595,912.41/39,479.07
  6. Step 6: Final answer
    x = 19,240.47

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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.