Home / 49,376.97-68,141.39-28,158.21

Finding the Fourth Proportional to 49,376.97, 68,141.39 and 28,158.21

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Solution

The fourth proportional to 49,376.97, 68,141.39 and 28,158.21 is: 38,858.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,376.97 : 68,141.39 = 28,158.21 : x
  2. Step 2: Convert to fraction form
    49,376.97/68,141.39 = 28,158.21/x
  3. Step 3: Cross multiply
    49,376.97x = 68,141.39 × 28,158.21
  4. Step 4: Simplify right side
    49,376.97x = 1,918,739,428.52
  5. Step 5: Solve for x
    x = 1,918,739,428.52/49,376.97
  6. Step 6: Final answer
    x = 38,858.99

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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.