Home / 49,799.81-68,724.05-28,579.23

Finding the Fourth Proportional to 49,799.81, 68,724.05 and 28,579.23

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Solution

The fourth proportional to 49,799.81, 68,724.05 and 28,579.23 is: 39,439.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,799.81 : 68,724.05 = 28,579.23 : x
  2. Step 2: Convert to fraction form
    49,799.81/68,724.05 = 28,579.23/x
  3. Step 3: Cross multiply
    49,799.81x = 68,724.05 × 28,579.23
  4. Step 4: Simplify right side
    49,799.81x = 1,964,080,288.59
  5. Step 5: Solve for x
    x = 1,964,080,288.59/49,799.81
  6. Step 6: Final answer
    x = 39,439.51

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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.