Home / 35,806.72-49,405.32-21,659.26

Finding the Fourth Proportional to 35,806.72, 49,405.32 and 21,659.26

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Solution

The fourth proportional to 35,806.72, 49,405.32 and 21,659.26 is: 29,884.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,806.72 : 49,405.32 = 21,659.26 : x
  2. Step 2: Convert to fraction form
    35,806.72/49,405.32 = 21,659.26/x
  3. Step 3: Cross multiply
    35,806.72x = 49,405.32 × 21,659.26
  4. Step 4: Simplify right side
    35,806.72x = 1,070,082,671.26
  5. Step 5: Solve for x
    x = 1,070,082,671.26/35,806.72
  6. Step 6: Final answer
    x = 29,884.97

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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.