Home / 50,008.64-69,019.17-28,787.72

Finding the Fourth Proportional to 50,008.64, 69,019.17 and 28,787.72

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Solution

The fourth proportional to 50,008.64, 69,019.17 and 28,787.72 is: 39,731.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,008.64 : 69,019.17 = 28,787.72 : x
  2. Step 2: Convert to fraction form
    50,008.64/69,019.17 = 28,787.72/x
  3. Step 3: Cross multiply
    50,008.64x = 69,019.17 × 28,787.72
  4. Step 4: Simplify right side
    50,008.64x = 1,986,904,540.59
  5. Step 5: Solve for x
    x = 1,986,904,540.59/50,008.64
  6. Step 6: Final answer
    x = 39,731.23

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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.