Home / 50,699.47-69,963.99-28,039.72

Finding the Fourth Proportional to 50,699.47, 69,963.99 and 28,039.72

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Solution

The fourth proportional to 50,699.47, 69,963.99 and 28,039.72 is: 38,694.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,699.47 : 69,963.99 = 28,039.72 : x
  2. Step 2: Convert to fraction form
    50,699.47/69,963.99 = 28,039.72/x
  3. Step 3: Cross multiply
    50,699.47x = 69,963.99 × 28,039.72
  4. Step 4: Simplify right side
    50,699.47x = 1,961,770,689.68
  5. Step 5: Solve for x
    x = 1,961,770,689.68/50,699.47
  6. Step 6: Final answer
    x = 38,694.11

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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.