Home / 53,273.28-79,910.04-21,661.03

Finding the Fourth Proportional to 53,273.28, 79,910.04 and 21,661.03

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Solution

The fourth proportional to 53,273.28, 79,910.04 and 21,661.03 is: 32,491.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,273.28 : 79,910.04 = 21,661.03 : x
  2. Step 2: Convert to fraction form
    53,273.28/79,910.04 = 21,661.03/x
  3. Step 3: Cross multiply
    53,273.28x = 79,910.04 × 21,661.03
  4. Step 4: Simplify right side
    53,273.28x = 1,730,933,547.35
  5. Step 5: Solve for x
    x = 1,730,933,547.35/53,273.28
  6. Step 6: Final answer
    x = 32,491.59

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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.