Home / 44,814.69-67,236.16-21,121.28

Finding the Fourth Proportional to 44,814.69, 67,236.16 and 21,121.28

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Solution

The fourth proportional to 44,814.69, 67,236.16 and 21,121.28 is: 31,688.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,814.69 : 67,236.16 = 21,121.28 : x
  2. Step 2: Convert to fraction form
    44,814.69/67,236.16 = 21,121.28/x
  3. Step 3: Cross multiply
    44,814.69x = 67,236.16 × 21,121.28
  4. Step 4: Simplify right side
    44,814.69x = 1,420,113,761.48
  5. Step 5: Solve for x
    x = 1,420,113,761.48/44,814.69
  6. Step 6: Final answer
    x = 31,688.58

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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.