Home / 35,522.24-49,022.32-20,419.80

Finding the Fourth Proportional to 35,522.24, 49,022.32 and 20,419.80

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Solution

The fourth proportional to 35,522.24, 49,022.32 and 20,419.80 is: 28,180.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,522.24 : 49,022.32 = 20,419.80 : x
  2. Step 2: Convert to fraction form
    35,522.24/49,022.32 = 20,419.80/x
  3. Step 3: Cross multiply
    35,522.24x = 49,022.32 × 20,419.80
  4. Step 4: Simplify right side
    35,522.24x = 1,001,025,969.94
  5. Step 5: Solve for x
    x = 1,001,025,969.94/35,522.24
  6. Step 6: Final answer
    x = 28,180.26

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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.