Home / 35,593.79-49,121.54-20,486.12

Finding the Fourth Proportional to 35,593.79, 49,121.54 and 20,486.12

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Solution

The fourth proportional to 35,593.79, 49,121.54 and 20,486.12 is: 28,272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,593.79 : 49,121.54 = 20,486.12 : x
  2. Step 2: Convert to fraction form
    35,593.79/49,121.54 = 20,486.12/x
  3. Step 3: Cross multiply
    35,593.79x = 49,121.54 × 20,486.12
  4. Step 4: Simplify right side
    35,593.79x = 1,006,309,414.99
  5. Step 5: Solve for x
    x = 1,006,309,414.99/35,593.79
  6. Step 6: Final answer
    x = 28,272.05

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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.