Home / 35,587.20-49,112.88-19,671.33

Finding the Fourth Proportional to 35,587.20, 49,112.88 and 19,671.33

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Solution

The fourth proportional to 35,587.20, 49,112.88 and 19,671.33 is: 27,147.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,587.20 : 49,112.88 = 19,671.33 : x
  2. Step 2: Convert to fraction form
    35,587.20/49,112.88 = 19,671.33/x
  3. Step 3: Cross multiply
    35,587.20x = 49,112.88 × 19,671.33
  4. Step 4: Simplify right side
    35,587.20x = 966,115,669.73
  5. Step 5: Solve for x
    x = 966,115,669.73/35,587.20
  6. Step 6: Final answer
    x = 27,147.84

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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.