Home / 45,328.54-67,997.76-19,045.66

Finding the Fourth Proportional to 45,328.54, 67,997.76 and 19,045.66

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Solution

The fourth proportional to 45,328.54, 67,997.76 and 19,045.66 is: 28,570.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,328.54 : 67,997.76 = 19,045.66 : x
  2. Step 2: Convert to fraction form
    45,328.54/67,997.76 = 19,045.66/x
  3. Step 3: Cross multiply
    45,328.54x = 67,997.76 × 19,045.66
  4. Step 4: Simplify right side
    45,328.54x = 1,295,062,217.72
  5. Step 5: Solve for x
    x = 1,295,062,217.72/45,328.54
  6. Step 6: Final answer
    x = 28,570.57

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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.