Home / 35,615.88-49,141.62-21,469.32

Finding the Fourth Proportional to 35,615.88, 49,141.62 and 21,469.32

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Solution

The fourth proportional to 35,615.88, 49,141.62 and 21,469.32 is: 29,622.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,615.88 : 49,141.62 = 21,469.32 : x
  2. Step 2: Convert to fraction form
    35,615.88/49,141.62 = 21,469.32/x
  3. Step 3: Cross multiply
    35,615.88x = 49,141.62 × 21,469.32
  4. Step 4: Simplify right side
    35,615.88x = 1,055,037,165.10
  5. Step 5: Solve for x
    x = 1,055,037,165.10/35,615.88
  6. Step 6: Final answer
    x = 29,622.66

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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.