Home / 55,607.72-76,744.13-31,737.96

Finding the Fourth Proportional to 55,607.72, 76,744.13 and 31,737.96

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Solution

The fourth proportional to 55,607.72, 76,744.13 and 31,737.96 is: 43,801.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,607.72 : 76,744.13 = 31,737.96 : x
  2. Step 2: Convert to fraction form
    55,607.72/76,744.13 = 31,737.96/x
  3. Step 3: Cross multiply
    55,607.72x = 76,744.13 × 31,737.96
  4. Step 4: Simplify right side
    55,607.72x = 2,435,701,969.49
  5. Step 5: Solve for x
    x = 2,435,701,969.49/55,607.72
  6. Step 6: Final answer
    x = 43,801.51

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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.