Home / 42,836.69-64,255.04-11,676.53

Finding the Fourth Proportional to 42,836.69, 64,255.04 and 11,676.53

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Solution

The fourth proportional to 42,836.69, 64,255.04 and 11,676.53 is: 17,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,836.69 : 64,255.04 = 11,676.53 : x
  2. Step 2: Convert to fraction form
    42,836.69/64,255.04 = 11,676.53/x
  3. Step 3: Cross multiply
    42,836.69x = 64,255.04 × 11,676.53
  4. Step 4: Simplify right side
    42,836.69x = 750,275,902.21
  5. Step 5: Solve for x
    x = 750,275,902.21/42,836.69
  6. Step 6: Final answer
    x = 17,514.80

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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.