Home / 35,333.99-48,763.61-20,231.39

Finding the Fourth Proportional to 35,333.99, 48,763.61 and 20,231.39

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Solution

The fourth proportional to 35,333.99, 48,763.61 and 20,231.39 is: 27,920.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,333.99 : 48,763.61 = 20,231.39 : x
  2. Step 2: Convert to fraction form
    35,333.99/48,763.61 = 20,231.39/x
  3. Step 3: Cross multiply
    35,333.99x = 48,763.61 × 20,231.39
  4. Step 4: Simplify right side
    35,333.99x = 986,555,418.48
  5. Step 5: Solve for x
    x = 986,555,418.48/35,333.99
  6. Step 6: Final answer
    x = 27,920.86

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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.