Home / 48,670.31-67,104.18-40,615.57

Finding the Fourth Proportional to 48,670.31, 67,104.18 and 40,615.57

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Solution

The fourth proportional to 48,670.31, 67,104.18 and 40,615.57 is: 55,998.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,670.31 : 67,104.18 = 40,615.57 : x
  2. Step 2: Convert to fraction form
    48,670.31/67,104.18 = 40,615.57/x
  3. Step 3: Cross multiply
    48,670.31x = 67,104.18 × 40,615.57
  4. Step 4: Simplify right side
    48,670.31x = 2,725,474,603.96
  5. Step 5: Solve for x
    x = 2,725,474,603.96/48,670.31
  6. Step 6: Final answer
    x = 55,998.71

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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.