Home / 68,579.80-94,636.31-38,359.28

Finding the Fourth Proportional to 68,579.80, 94,636.31 and 38,359.28

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Solution

The fourth proportional to 68,579.80, 94,636.31 and 38,359.28 is: 52,933.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,579.80 : 94,636.31 = 38,359.28 : x
  2. Step 2: Convert to fraction form
    68,579.80/94,636.31 = 38,359.28/x
  3. Step 3: Cross multiply
    68,579.80x = 94,636.31 × 38,359.28
  4. Step 4: Simplify right side
    68,579.80x = 3,630,180,713.46
  5. Step 5: Solve for x
    x = 3,630,180,713.46/68,579.80
  6. Step 6: Final answer
    x = 52,933.67

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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.