Home / 33,271.20-45,921.96-19,132.20

Finding the Fourth Proportional to 33,271.20, 45,921.96 and 19,132.20

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Solution

The fourth proportional to 33,271.20, 45,921.96 and 19,132.20 is: 26,406.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,271.20 : 45,921.96 = 19,132.20 : x
  2. Step 2: Convert to fraction form
    33,271.20/45,921.96 = 19,132.20/x
  3. Step 3: Cross multiply
    33,271.20x = 45,921.96 × 19,132.20
  4. Step 4: Simplify right side
    33,271.20x = 878,588,123.11
  5. Step 5: Solve for x
    x = 878,588,123.11/33,271.20
  6. Step 6: Final answer
    x = 26,406.87

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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.