Home / 35,531.20-49,033.58-19,616.32

Finding the Fourth Proportional to 35,531.20, 49,033.58 and 19,616.32

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Solution

The fourth proportional to 35,531.20, 49,033.58 and 19,616.32 is: 27,070.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,531.20 : 49,033.58 = 19,616.32 : x
  2. Step 2: Convert to fraction form
    35,531.20/49,033.58 = 19,616.32/x
  3. Step 3: Cross multiply
    35,531.20x = 49,033.58 × 19,616.32
  4. Step 4: Simplify right side
    35,531.20x = 961,858,396.03
  5. Step 5: Solve for x
    x = 961,858,396.03/35,531.20
  6. Step 6: Final answer
    x = 27,070.81

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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.