Home / 33,991.04-50,929.02-20,815.89

Finding the Fourth Proportional to 33,991.04, 50,929.02 and 20,815.89

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Solution

The fourth proportional to 33,991.04, 50,929.02 and 20,815.89 is: 31,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,991.04 : 50,929.02 = 20,815.89 : x
  2. Step 2: Convert to fraction form
    33,991.04/50,929.02 = 20,815.89/x
  3. Step 3: Cross multiply
    33,991.04x = 50,929.02 × 20,815.89
  4. Step 4: Simplify right side
    33,991.04x = 1,060,132,878.13
  5. Step 5: Solve for x
    x = 1,060,132,878.13/33,991.04
  6. Step 6: Final answer
    x = 31,188.60

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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.