Home / 57,241.18-78,992.85-31,751.47

Finding the Fourth Proportional to 57,241.18, 78,992.85 and 31,751.47

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Solution

The fourth proportional to 57,241.18, 78,992.85 and 31,751.47 is: 43,817.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,241.18 : 78,992.85 = 31,751.47 : x
  2. Step 2: Convert to fraction form
    57,241.18/78,992.85 = 31,751.47/x
  3. Step 3: Cross multiply
    57,241.18x = 78,992.85 × 31,751.47
  4. Step 4: Simplify right side
    57,241.18x = 2,508,139,106.99
  5. Step 5: Solve for x
    x = 2,508,139,106.99/57,241.18
  6. Step 6: Final answer
    x = 43,817.04

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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.