Home / 50,716.72-69,987.81-28,056.97

Finding the Fourth Proportional to 50,716.72, 69,987.81 and 28,056.97

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Solution

The fourth proportional to 50,716.72, 69,987.81 and 28,056.97 is: 38,717.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,716.72 : 69,987.81 = 28,056.97 : x
  2. Step 2: Convert to fraction form
    50,716.72/69,987.81 = 28,056.97/x
  3. Step 3: Cross multiply
    50,716.72x = 69,987.81 × 28,056.97
  4. Step 4: Simplify right side
    50,716.72x = 1,963,645,885.54
  5. Step 5: Solve for x
    x = 1,963,645,885.54/50,716.72
  6. Step 6: Final answer
    x = 38,717.92

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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.