Home / 33,131.40-49,697.10-10,948.20

Finding the Fourth Proportional to 33,131.40, 49,697.10 and 10,948.20

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Solution

The fourth proportional to 33,131.40, 49,697.10 and 10,948.20 is: 16,422.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,131.40 : 49,697.10 = 10,948.20 : x
  2. Step 2: Convert to fraction form
    33,131.40/49,697.10 = 10,948.20/x
  3. Step 3: Cross multiply
    33,131.40x = 49,697.10 × 10,948.20
  4. Step 4: Simplify right side
    33,131.40x = 544,093,790.22
  5. Step 5: Solve for x
    x = 544,093,790.22/33,131.40
  6. Step 6: Final answer
    x = 16,422.30

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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.