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Finding the Fourth Proportional to 44,792.87, 67,203.89 and 21,421.13

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Solution

The fourth proportional to 44,792.87, 67,203.89 and 21,421.13 is: 32,138.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,792.87 : 67,203.89 = 21,421.13 : x
  2. Step 2: Convert to fraction form
    44,792.87/67,203.89 = 21,421.13/x
  3. Step 3: Cross multiply
    44,792.87x = 67,203.89 × 21,421.13
  4. Step 4: Simplify right side
    44,792.87x = 1,439,582,821.07
  5. Step 5: Solve for x
    x = 1,439,582,821.07/44,792.87
  6. Step 6: Final answer
    x = 32,138.66

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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.