Home / 68,580.30-94,636.38-38,360.44

Finding the Fourth Proportional to 68,580.30, 94,636.38 and 38,360.44

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Solution

The fourth proportional to 68,580.30, 94,636.38 and 38,360.44 is: 52,934.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,580.30 : 94,636.38 = 38,360.44 : x
  2. Step 2: Convert to fraction form
    68,580.30/94,636.38 = 38,360.44/x
  3. Step 3: Cross multiply
    68,580.30x = 94,636.38 × 38,360.44
  4. Step 4: Simplify right side
    68,580.30x = 3,630,293,381.45
  5. Step 5: Solve for x
    x = 3,630,293,381.45/68,580.30
  6. Step 6: Final answer
    x = 52,934.93

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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.