Home / 20,029.04-30,044.68-8,936.50

Finding the Fourth Proportional to 20,029.04, 30,044.68 and 8,936.50

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Solution

The fourth proportional to 20,029.04, 30,044.68 and 8,936.50 is: 13,405.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.04 : 30,044.68 = 8,936.50 : x
  2. Step 2: Convert to fraction form
    20,029.04/30,044.68 = 8,936.50/x
  3. Step 3: Cross multiply
    20,029.04x = 30,044.68 × 8,936.50
  4. Step 4: Simplify right side
    20,029.04x = 268,494,282.82
  5. Step 5: Solve for x
    x = 268,494,282.82/20,029.04
  6. Step 6: Final answer
    x = 13,405.25

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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.