Home / 55,748.82-76,911.42-31,862.64

Finding the Fourth Proportional to 55,748.82, 76,911.42 and 31,862.64

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Solution

The fourth proportional to 55,748.82, 76,911.42 and 31,862.64 is: 43,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,748.82 : 76,911.42 = 31,862.64 : x
  2. Step 2: Convert to fraction form
    55,748.82/76,911.42 = 31,862.64/x
  3. Step 3: Cross multiply
    55,748.82x = 76,911.42 × 31,862.64
  4. Step 4: Simplify right side
    55,748.82x = 2,450,600,887.35
  5. Step 5: Solve for x
    x = 2,450,600,887.35/55,748.82
  6. Step 6: Final answer
    x = 43,957.90

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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.