Home / 33,109.40-49,664.10-10,926.20

Finding the Fourth Proportional to 33,109.40, 49,664.10 and 10,926.20

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Solution

The fourth proportional to 33,109.40, 49,664.10 and 10,926.20 is: 16,389.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,109.40 : 49,664.10 = 10,926.20 : x
  2. Step 2: Convert to fraction form
    33,109.40/49,664.10 = 10,926.20/x
  3. Step 3: Cross multiply
    33,109.40x = 49,664.10 × 10,926.20
  4. Step 4: Simplify right side
    33,109.40x = 542,639,889.42
  5. Step 5: Solve for x
    x = 542,639,889.42/33,109.40
  6. Step 6: Final answer
    x = 16,389.30

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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.