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Finding the Fourth Proportional to 61,941.46, 85,477.26 and 35,086.46

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Solution

The fourth proportional to 61,941.46, 85,477.26 and 35,086.46 is: 48,418.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,941.46 : 85,477.26 = 35,086.46 : x
  2. Step 2: Convert to fraction form
    61,941.46/85,477.26 = 35,086.46/x
  3. Step 3: Cross multiply
    61,941.46x = 85,477.26 × 35,086.46
  4. Step 4: Simplify right side
    61,941.46x = 2,999,094,463.90
  5. Step 5: Solve for x
    x = 2,999,094,463.90/61,941.46
  6. Step 6: Final answer
    x = 48,418.21

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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.