Home / 49,128.27-67,748.84-31,192.13

Finding the Fourth Proportional to 49,128.27, 67,748.84 and 31,192.13

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Solution

The fourth proportional to 49,128.27, 67,748.84 and 31,192.13 is: 43,014.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,128.27 : 67,748.84 = 31,192.13 : x
  2. Step 2: Convert to fraction form
    49,128.27/67,748.84 = 31,192.13/x
  3. Step 3: Cross multiply
    49,128.27x = 67,748.84 × 31,192.13
  4. Step 4: Simplify right side
    49,128.27x = 2,113,230,829.64
  5. Step 5: Solve for x
    x = 2,113,230,829.64/49,128.27
  6. Step 6: Final answer
    x = 43,014.56

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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.