Home / 31,246.76-43,120.52-17,099.60

Finding the Fourth Proportional to 31,246.76, 43,120.52 and 17,099.60

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Solution

The fourth proportional to 31,246.76, 43,120.52 and 17,099.60 is: 23,597.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,246.76 : 43,120.52 = 17,099.60 : x
  2. Step 2: Convert to fraction form
    31,246.76/43,120.52 = 17,099.60/x
  3. Step 3: Cross multiply
    31,246.76x = 43,120.52 × 17,099.60
  4. Step 4: Simplify right side
    31,246.76x = 737,343,643.79
  5. Step 5: Solve for x
    x = 737,343,643.79/31,246.76
  6. Step 6: Final answer
    x = 23,597.44

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1.5x scale

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.