Home / 33,410.78-50,116.10-13,689.36

Finding the Fourth Proportional to 33,410.78, 50,116.10 and 13,689.36

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Solution

The fourth proportional to 33,410.78, 50,116.10 and 13,689.36 is: 20,534.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,410.78 : 50,116.10 = 13,689.36 : x
  2. Step 2: Convert to fraction form
    33,410.78/50,116.10 = 13,689.36/x
  3. Step 3: Cross multiply
    33,410.78x = 50,116.10 × 13,689.36
  4. Step 4: Simplify right side
    33,410.78x = 686,057,334.70
  5. Step 5: Solve for x
    x = 686,057,334.70/33,410.78
  6. Step 6: Final answer
    x = 20,534.01

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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.