Home / 57,228.88-78,971.88-31,736.56

Finding the Fourth Proportional to 57,228.88, 78,971.88 and 31,736.56

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Solution

The fourth proportional to 57,228.88, 78,971.88 and 31,736.56 is: 43,794.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,228.88 : 78,971.88 = 31,736.56 : x
  2. Step 2: Convert to fraction form
    57,228.88/78,971.88 = 31,736.56/x
  3. Step 3: Cross multiply
    57,228.88x = 78,971.88 × 31,736.56
  4. Step 4: Simplify right side
    57,228.88x = 2,506,295,807.93
  5. Step 5: Solve for x
    x = 2,506,295,807.93/57,228.88
  6. Step 6: Final answer
    x = 43,794.25

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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.