Home / 31,751.40-47,627.10-26,682.60

Finding the Fourth Proportional to 31,751.40, 47,627.10 and 26,682.60

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Solution

The fourth proportional to 31,751.40, 47,627.10 and 26,682.60 is: 40,023.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,751.40 : 47,627.10 = 26,682.60 : x
  2. Step 2: Convert to fraction form
    31,751.40/47,627.10 = 26,682.60/x
  3. Step 3: Cross multiply
    31,751.40x = 47,627.10 × 26,682.60
  4. Step 4: Simplify right side
    31,751.40x = 1,270,814,858.46
  5. Step 5: Solve for x
    x = 1,270,814,858.46/31,751.40
  6. Step 6: Final answer
    x = 40,023.90

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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.