Home / 55,704.52-76,871.24-31,505.12

Finding the Fourth Proportional to 55,704.52, 76,871.24 and 31,505.12

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Solution

The fourth proportional to 55,704.52, 76,871.24 and 31,505.12 is: 43,476.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,704.52 : 76,871.24 = 31,505.12 : x
  2. Step 2: Convert to fraction form
    55,704.52/76,871.24 = 31,505.12/x
  3. Step 3: Cross multiply
    55,704.52x = 76,871.24 × 31,505.12
  4. Step 4: Simplify right side
    55,704.52x = 2,421,837,640.75
  5. Step 5: Solve for x
    x = 2,421,837,640.75/55,704.52
  6. Step 6: Final answer
    x = 43,476.50

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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.