Home / 75,908.36-113,862.30-20,504.36

Finding the Fourth Proportional to 75,908.36, 113,862.30 and 20,504.36

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Solution

The fourth proportional to 75,908.36, 113,862.30 and 20,504.36 is: 30,756.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,908.36 : 113,862.30 = 20,504.36 : x
  2. Step 2: Convert to fraction form
    75,908.36/113,862.30 = 20,504.36/x
  3. Step 3: Cross multiply
    75,908.36x = 113,862.30 × 20,504.36
  4. Step 4: Simplify right side
    75,908.36x = 2,334,673,589.63
  5. Step 5: Solve for x
    x = 2,334,673,589.63/75,908.36
  6. Step 6: Final answer
    x = 30,756.48

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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.