Home / 33,115.74-45,697.87-18,969.49

Finding the Fourth Proportional to 33,115.74, 45,697.87 and 18,969.49

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Solution

The fourth proportional to 33,115.74, 45,697.87 and 18,969.49 is: 26,176.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,115.74 : 45,697.87 = 18,969.49 : x
  2. Step 2: Convert to fraction form
    33,115.74/45,697.87 = 18,969.49/x
  3. Step 3: Cross multiply
    33,115.74x = 45,697.87 × 18,969.49
  4. Step 4: Simplify right side
    33,115.74x = 866,865,240.56
  5. Step 5: Solve for x
    x = 866,865,240.56/33,115.74
  6. Step 6: Final answer
    x = 26,176.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.