Home / 72,221.71-108,370.34-29,558.81

Finding the Fourth Proportional to 72,221.71, 108,370.34 and 29,558.81

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Solution

The fourth proportional to 72,221.71, 108,370.34 and 29,558.81 is: 44,353.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,221.71 : 108,370.34 = 29,558.81 : x
  2. Step 2: Convert to fraction form
    72,221.71/108,370.34 = 29,558.81/x
  3. Step 3: Cross multiply
    72,221.71x = 108,370.34 × 29,558.81
  4. Step 4: Simplify right side
    72,221.71x = 3,203,298,289.70
  5. Step 5: Solve for x
    x = 3,203,298,289.70/72,221.71
  6. Step 6: Final answer
    x = 44,353.68

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1.5x scale

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.