Home / 39,785.45-59,672.10-11,698.88

Finding the Fourth Proportional to 39,785.45, 59,672.10 and 11,698.88

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Solution

The fourth proportional to 39,785.45, 59,672.10 and 11,698.88 is: 17,546.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,785.45 : 59,672.10 = 11,698.88 : x
  2. Step 2: Convert to fraction form
    39,785.45/59,672.10 = 11,698.88/x
  3. Step 3: Cross multiply
    39,785.45x = 59,672.10 × 11,698.88
  4. Step 4: Simplify right side
    39,785.45x = 698,096,737.25
  5. Step 5: Solve for x
    x = 698,096,737.25/39,785.45
  6. Step 6: Final answer
    x = 17,546.53

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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.