Home / 33,309.11-49,984.50-20,853.45

Finding the Fourth Proportional to 33,309.11, 49,984.50 and 20,853.45

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Solution

The fourth proportional to 33,309.11, 49,984.50 and 20,853.45 is: 31,293.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,309.11 : 49,984.50 = 20,853.45 : x
  2. Step 2: Convert to fraction form
    33,309.11/49,984.50 = 20,853.45/x
  3. Step 3: Cross multiply
    33,309.11x = 49,984.50 × 20,853.45
  4. Step 4: Simplify right side
    33,309.11x = 1,042,349,271.53
  5. Step 5: Solve for x
    x = 1,042,349,271.53/33,309.11
  6. Step 6: Final answer
    x = 31,293.22

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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.