Home / 55,723.43-76,897.01-30,858.89

Finding the Fourth Proportional to 55,723.43, 76,897.01 and 30,858.89

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Solution

The fourth proportional to 55,723.43, 76,897.01 and 30,858.89 is: 42,584.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,723.43 : 76,897.01 = 30,858.89 : x
  2. Step 2: Convert to fraction form
    55,723.43/76,897.01 = 30,858.89/x
  3. Step 3: Cross multiply
    55,723.43x = 76,897.01 × 30,858.89
  4. Step 4: Simplify right side
    55,723.43x = 2,372,956,372.92
  5. Step 5: Solve for x
    x = 2,372,956,372.92/55,723.43
  6. Step 6: Final answer
    x = 42,584.54

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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.