Home / 79,020.83-118,511.50-30,999.19

Finding the Fourth Proportional to 79,020.83, 118,511.50 and 30,999.19

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Solution

The fourth proportional to 79,020.83, 118,511.50 and 30,999.19 is: 46,491.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,020.83 : 118,511.50 = 30,999.19 : x
  2. Step 2: Convert to fraction form
    79,020.83/118,511.50 = 30,999.19/x
  3. Step 3: Cross multiply
    79,020.83x = 118,511.50 × 30,999.19
  4. Step 4: Simplify right side
    79,020.83x = 3,673,760,505.69
  5. Step 5: Solve for x
    x = 3,673,760,505.69/79,020.83
  6. Step 6: Final answer
    x = 46,491.04

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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.