Home / 35,623.86-49,161.39-20,519.17

Finding the Fourth Proportional to 35,623.86, 49,161.39 and 20,519.17

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Solution

The fourth proportional to 35,623.86, 49,161.39 and 20,519.17 is: 28,316.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,623.86 : 49,161.39 = 20,519.17 : x
  2. Step 2: Convert to fraction form
    35,623.86/49,161.39 = 20,519.17/x
  3. Step 3: Cross multiply
    35,623.86x = 49,161.39 × 20,519.17
  4. Step 4: Simplify right side
    35,623.86x = 1,008,750,918.85
  5. Step 5: Solve for x
    x = 1,008,750,918.85/35,623.86
  6. Step 6: Final answer
    x = 28,316.72

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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.