Home / 57,257.19-79,015.12-31,764.06

Finding the Fourth Proportional to 57,257.19, 79,015.12 and 31,764.06

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Solution

The fourth proportional to 57,257.19, 79,015.12 and 31,764.06 is: 43,834.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,257.19 : 79,015.12 = 31,764.06 : x
  2. Step 2: Convert to fraction form
    57,257.19/79,015.12 = 31,764.06/x
  3. Step 3: Cross multiply
    57,257.19x = 79,015.12 × 31,764.06
  4. Step 4: Simplify right side
    57,257.19x = 2,509,840,636.87
  5. Step 5: Solve for x
    x = 2,509,840,636.87/57,257.19
  6. Step 6: Final answer
    x = 43,834.51

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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.