Home / 45,270.30-67,861.71-15,665.88

Finding the Fourth Proportional to 45,270.30, 67,861.71 and 15,665.88

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Solution

The fourth proportional to 45,270.30, 67,861.71 and 15,665.88 is: 23,483.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,270.30 : 67,861.71 = 15,665.88 : x
  2. Step 2: Convert to fraction form
    45,270.30/67,861.71 = 15,665.88/x
  3. Step 3: Cross multiply
    45,270.30x = 67,861.71 × 15,665.88
  4. Step 4: Simplify right side
    45,270.30x = 1,063,113,405.45
  5. Step 5: Solve for x
    x = 1,063,113,405.45/45,270.30
  6. Step 6: Final answer
    x = 23,483.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.