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Finding the Fourth Proportional to 55,741.50, 76,904.66 and 31,539.10

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Solution

The fourth proportional to 55,741.50, 76,904.66 and 31,539.10 is: 43,513.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,741.50 : 76,904.66 = 31,539.10 : x
  2. Step 2: Convert to fraction form
    55,741.50/76,904.66 = 31,539.10/x
  3. Step 3: Cross multiply
    55,741.50x = 76,904.66 × 31,539.10
  4. Step 4: Simplify right side
    55,741.50x = 2,425,503,952.48
  5. Step 5: Solve for x
    x = 2,425,503,952.48/55,741.50
  6. Step 6: Final answer
    x = 43,513.43

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