Home / 49,943.68-68,914.40-28,718.72

Finding the Fourth Proportional to 49,943.68, 68,914.40 and 28,718.72

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Solution

The fourth proportional to 49,943.68, 68,914.40 and 28,718.72 is: 39,627.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,943.68 : 68,914.40 = 28,718.72 : x
  2. Step 2: Convert to fraction form
    49,943.68/68,914.40 = 28,718.72/x
  3. Step 3: Cross multiply
    49,943.68x = 68,914.40 × 28,718.72
  4. Step 4: Simplify right side
    49,943.68x = 1,979,133,357.57
  5. Step 5: Solve for x
    x = 1,979,133,357.57/49,943.68
  6. Step 6: Final answer
    x = 39,627.30

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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.