Home / 45,099.81-67,630.66-13,514.37

Finding the Fourth Proportional to 45,099.81, 67,630.66 and 13,514.37

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Solution

The fourth proportional to 45,099.81, 67,630.66 and 13,514.37 is: 20,265.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,099.81 : 67,630.66 = 13,514.37 : x
  2. Step 2: Convert to fraction form
    45,099.81/67,630.66 = 13,514.37/x
  3. Step 3: Cross multiply
    45,099.81x = 67,630.66 × 13,514.37
  4. Step 4: Simplify right side
    45,099.81x = 913,985,684.40
  5. Step 5: Solve for x
    x = 913,985,684.40/45,099.81
  6. Step 6: Final answer
    x = 20,265.84

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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.