Home / 49,939.68-68,916.24-28,718.40

Finding the Fourth Proportional to 49,939.68, 68,916.24 and 28,718.40

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Solution

The fourth proportional to 49,939.68, 68,916.24 and 28,718.40 is: 39,631.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,939.68 : 68,916.24 = 28,718.40 : x
  2. Step 2: Convert to fraction form
    49,939.68/68,916.24 = 28,718.40/x
  3. Step 3: Cross multiply
    49,939.68x = 68,916.24 × 28,718.40
  4. Step 4: Simplify right side
    49,939.68x = 1,979,164,146.82
  5. Step 5: Solve for x
    x = 1,979,164,146.82/49,939.68
  6. Step 6: Final answer
    x = 39,631.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.