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Finding the Fourth Proportional to 58,798.43, 81,142.41 and 31,941.16

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Solution

The fourth proportional to 58,798.43, 81,142.41 and 31,941.16 is: 44,079.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,798.43 : 81,142.41 = 31,941.16 : x
  2. Step 2: Convert to fraction form
    58,798.43/81,142.41 = 31,941.16/x
  3. Step 3: Cross multiply
    58,798.43x = 81,142.41 × 31,941.16
  4. Step 4: Simplify right side
    58,798.43x = 2,591,782,294.88
  5. Step 5: Solve for x
    x = 2,591,782,294.88/58,798.43
  6. Step 6: Final answer
    x = 44,079.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.