Home / 35,747.02-49,336.80-19,836.60

Finding the Fourth Proportional to 35,747.02, 49,336.80 and 19,836.60

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Solution

The fourth proportional to 35,747.02, 49,336.80 and 19,836.60 is: 27,377.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,747.02 : 49,336.80 = 19,836.60 : x
  2. Step 2: Convert to fraction form
    35,747.02/49,336.80 = 19,836.60/x
  3. Step 3: Cross multiply
    35,747.02x = 49,336.80 × 19,836.60
  4. Step 4: Simplify right side
    35,747.02x = 978,674,107.48
  5. Step 5: Solve for x
    x = 978,674,107.48/35,747.02
  6. Step 6: Final answer
    x = 27,377.78

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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.