Home / 61,135.12-84,363.42-35,983

Finding the Fourth Proportional to 61,135.12, 84,363.42 and 35,983

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Solution

The fourth proportional to 61,135.12, 84,363.42 and 35,983 is: 49,654.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,135.12 : 84,363.42 = 35,983 : x
  2. Step 2: Convert to fraction form
    61,135.12/84,363.42 = 35,983/x
  3. Step 3: Cross multiply
    61,135.12x = 84,363.42 × 35,983
  4. Step 4: Simplify right side
    61,135.12x = 3,035,648,941.86
  5. Step 5: Solve for x
    x = 3,035,648,941.86/61,135.12
  6. Step 6: Final answer
    x = 49,654.75

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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.