Home / 68,683.38-94,780.44-38,467.20

Finding the Fourth Proportional to 68,683.38, 94,780.44 and 38,467.20

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Solution

The fourth proportional to 68,683.38, 94,780.44 and 38,467.20 is: 53,083.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,683.38 : 94,780.44 = 38,467.20 : x
  2. Step 2: Convert to fraction form
    68,683.38/94,780.44 = 38,467.20/x
  3. Step 3: Cross multiply
    68,683.38x = 94,780.44 × 38,467.20
  4. Step 4: Simplify right side
    68,683.38x = 3,645,938,141.57
  5. Step 5: Solve for x
    x = 3,645,938,141.57/68,683.38
  6. Step 6: Final answer
    x = 53,083.27

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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.