Home / 45,299.18-67,926.79-18,996.86

Finding the Fourth Proportional to 45,299.18, 67,926.79 and 18,996.86

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Solution

The fourth proportional to 45,299.18, 67,926.79 and 18,996.86 is: 28,486.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,299.18 : 67,926.79 = 18,996.86 : x
  2. Step 2: Convert to fraction form
    45,299.18/67,926.79 = 18,996.86/x
  3. Step 3: Cross multiply
    45,299.18x = 67,926.79 × 18,996.86
  4. Step 4: Simplify right side
    45,299.18x = 1,290,395,719.88
  5. Step 5: Solve for x
    x = 1,290,395,719.88/45,299.18
  6. Step 6: Final answer
    x = 28,486.07

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1.5x scale

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.