Home / 35,540.64-49,052.40-21,201.36

Finding the Fourth Proportional to 35,540.64, 49,052.40 and 21,201.36

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Solution

The fourth proportional to 35,540.64, 49,052.40 and 21,201.36 is: 29,261.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,540.64 : 49,052.40 = 21,201.36 : x
  2. Step 2: Convert to fraction form
    35,540.64/49,052.40 = 21,201.36/x
  3. Step 3: Cross multiply
    35,540.64x = 49,052.40 × 21,201.36
  4. Step 4: Simplify right side
    35,540.64x = 1,039,977,591.26
  5. Step 5: Solve for x
    x = 1,039,977,591.26/35,540.64
  6. Step 6: Final answer
    x = 29,261.65

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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.