Home / 79,331.33-118,995.03-19,360.23

Finding the Fourth Proportional to 79,331.33, 118,995.03 and 19,360.23

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Solution

The fourth proportional to 79,331.33, 118,995.03 and 19,360.23 is: 29,039.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,331.33 : 118,995.03 = 19,360.23 : x
  2. Step 2: Convert to fraction form
    79,331.33/118,995.03 = 19,360.23/x
  3. Step 3: Cross multiply
    79,331.33x = 118,995.03 × 19,360.23
  4. Step 4: Simplify right side
    79,331.33x = 2,303,771,149.66
  5. Step 5: Solve for x
    x = 2,303,771,149.66/79,331.33
  6. Step 6: Final answer
    x = 29,039.87

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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.