Home / 44,827.92-67,256.40-21,456

Finding the Fourth Proportional to 44,827.92, 67,256.40 and 21,456

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Solution

The fourth proportional to 44,827.92, 67,256.40 and 21,456 is: 32,190.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,827.92 : 67,256.40 = 21,456 : x
  2. Step 2: Convert to fraction form
    44,827.92/67,256.40 = 21,456/x
  3. Step 3: Cross multiply
    44,827.92x = 67,256.40 × 21,456
  4. Step 4: Simplify right side
    44,827.92x = 1,443,053,318.40
  5. Step 5: Solve for x
    x = 1,443,053,318.40/44,827.92
  6. Step 6: Final answer
    x = 32,190.95

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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.