Home / 39,818.18-59,725.92-11,738.69

Finding the Fourth Proportional to 39,818.18, 59,725.92 and 11,738.69

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Solution

The fourth proportional to 39,818.18, 59,725.92 and 11,738.69 is: 17,607.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,818.18 : 59,725.92 = 11,738.69 : x
  2. Step 2: Convert to fraction form
    39,818.18/59,725.92 = 11,738.69/x
  3. Step 3: Cross multiply
    39,818.18x = 59,725.92 × 11,738.69
  4. Step 4: Simplify right side
    39,818.18x = 701,103,761.22
  5. Step 5: Solve for x
    x = 701,103,761.22/39,818.18
  6. Step 6: Final answer
    x = 17,607.63

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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.