Home / 49,938.47-68,917.11-28,717.74

Finding the Fourth Proportional to 49,938.47, 68,917.11 and 28,717.74

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Solution

The fourth proportional to 49,938.47, 68,917.11 and 28,717.74 is: 39,631.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,938.47 : 68,917.11 = 28,717.74 : x
  2. Step 2: Convert to fraction form
    49,938.47/68,917.11 = 28,717.74/x
  3. Step 3: Cross multiply
    49,938.47x = 68,917.11 × 28,717.74
  4. Step 4: Simplify right side
    49,938.47x = 1,979,143,495.78
  5. Step 5: Solve for x
    x = 1,979,143,495.78/49,938.47
  6. Step 6: Final answer
    x = 39,631.64

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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.