Home / 31,838.11-47,751.03-30,257.60

Finding the Fourth Proportional to 31,838.11, 47,751.03 and 30,257.60

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Solution

The fourth proportional to 31,838.11, 47,751.03 and 30,257.60 is: 45,380.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,838.11 : 47,751.03 = 30,257.60 : x
  2. Step 2: Convert to fraction form
    31,838.11/47,751.03 = 30,257.60/x
  3. Step 3: Cross multiply
    31,838.11x = 47,751.03 × 30,257.60
  4. Step 4: Simplify right side
    31,838.11x = 1,444,831,326.57
  5. Step 5: Solve for x
    x = 1,444,831,326.57/31,838.11
  6. Step 6: Final answer
    x = 45,380.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.