Home / 51,280.12-70,773.54-30,067.84

Finding the Fourth Proportional to 51,280.12, 70,773.54 and 30,067.84

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Solution

The fourth proportional to 51,280.12, 70,773.54 and 30,067.84 is: 41,497.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,280.12 : 70,773.54 = 30,067.84 : x
  2. Step 2: Convert to fraction form
    51,280.12/70,773.54 = 30,067.84/x
  3. Step 3: Cross multiply
    51,280.12x = 70,773.54 × 30,067.84
  4. Step 4: Simplify right side
    51,280.12x = 2,128,007,476.95
  5. Step 5: Solve for x
    x = 2,128,007,476.95/51,280.12
  6. Step 6: Final answer
    x = 41,497.71

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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.