Home / 57,257.81-79,015.98-31,764.68

Finding the Fourth Proportional to 57,257.81, 79,015.98 and 31,764.68

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Solution

The fourth proportional to 57,257.81, 79,015.98 and 31,764.68 is: 43,835.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,257.81 : 79,015.98 = 31,764.68 : x
  2. Step 2: Convert to fraction form
    57,257.81/79,015.98 = 31,764.68/x
  3. Step 3: Cross multiply
    57,257.81x = 79,015.98 × 31,764.68
  4. Step 4: Simplify right side
    57,257.81x = 2,509,917,319.59
  5. Step 5: Solve for x
    x = 2,509,917,319.59/57,257.81
  6. Step 6: Final answer
    x = 43,835.37

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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.