Home / 41,960.96-62,897.36-21,140.80

Finding the Fourth Proportional to 41,960.96, 62,897.36 and 21,140.80

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Solution

The fourth proportional to 41,960.96, 62,897.36 and 21,140.80 is: 31,688.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,960.96 : 62,897.36 = 21,140.80 : x
  2. Step 2: Convert to fraction form
    41,960.96/62,897.36 = 21,140.80/x
  3. Step 3: Cross multiply
    41,960.96x = 62,897.36 × 21,140.80
  4. Step 4: Simplify right side
    41,960.96x = 1,329,700,508.29
  5. Step 5: Solve for x
    x = 1,329,700,508.29/41,960.96
  6. Step 6: Final answer
    x = 31,688.99

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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.