Home / 36,764.10-55,057.29-20,921.10

Finding the Fourth Proportional to 36,764.10, 55,057.29 and 20,921.10

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Solution

The fourth proportional to 36,764.10, 55,057.29 and 20,921.10 is: 31,331.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,764.10 : 55,057.29 = 20,921.10 : x
  2. Step 2: Convert to fraction form
    36,764.10/55,057.29 = 20,921.10/x
  3. Step 3: Cross multiply
    36,764.10x = 55,057.29 × 20,921.10
  4. Step 4: Simplify right side
    36,764.10x = 1,151,859,069.82
  5. Step 5: Solve for x
    x = 1,151,859,069.82/36,764.10
  6. Step 6: Final answer
    x = 31,331.08

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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.