Home / 49,387.36-68,154.60-28,166.08

Finding the Fourth Proportional to 49,387.36, 68,154.60 and 28,166.08

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Solution

The fourth proportional to 49,387.36, 68,154.60 and 28,166.08 is: 38,869.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,387.36 : 68,154.60 = 28,166.08 : x
  2. Step 2: Convert to fraction form
    49,387.36/68,154.60 = 28,166.08/x
  3. Step 3: Cross multiply
    49,387.36x = 68,154.60 × 28,166.08
  4. Step 4: Simplify right side
    49,387.36x = 1,919,647,915.97
  5. Step 5: Solve for x
    x = 1,919,647,915.97/49,387.36
  6. Step 6: Final answer
    x = 38,869.22

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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.