Home / 33,331.10-49,980.24-13,604.36

Finding the Fourth Proportional to 33,331.10, 49,980.24 and 13,604.36

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Solution

The fourth proportional to 33,331.10, 49,980.24 and 13,604.36 is: 20,399.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,331.10 : 49,980.24 = 13,604.36 : x
  2. Step 2: Convert to fraction form
    33,331.10/49,980.24 = 13,604.36/x
  3. Step 3: Cross multiply
    33,331.10x = 49,980.24 × 13,604.36
  4. Step 4: Simplify right side
    33,331.10x = 679,948,927.95
  5. Step 5: Solve for x
    x = 679,948,927.95/33,331.10
  6. Step 6: Final answer
    x = 20,399.84

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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.