Home / 44,930.72-67,409.75-21,256.45

Finding the Fourth Proportional to 44,930.72, 67,409.75 and 21,256.45

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Solution

The fourth proportional to 44,930.72, 67,409.75 and 21,256.45 is: 31,891.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,930.72 : 67,409.75 = 21,256.45 : x
  2. Step 2: Convert to fraction form
    44,930.72/67,409.75 = 21,256.45/x
  3. Step 3: Cross multiply
    44,930.72x = 67,409.75 × 21,256.45
  4. Step 4: Simplify right side
    44,930.72x = 1,432,891,865.00
  5. Step 5: Solve for x
    x = 1,432,891,865.00/44,930.72
  6. Step 6: Final answer
    x = 31,891.14

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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.