Home / 72,410.22-108,615.47-30,267.27

Finding the Fourth Proportional to 72,410.22, 108,615.47 and 30,267.27

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Solution

The fourth proportional to 72,410.22, 108,615.47 and 30,267.27 is: 45,400.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,410.22 : 108,615.47 = 30,267.27 : x
  2. Step 2: Convert to fraction form
    72,410.22/108,615.47 = 30,267.27/x
  3. Step 3: Cross multiply
    72,410.22x = 108,615.47 × 30,267.27
  4. Step 4: Simplify right side
    72,410.22x = 3,287,493,605.33
  5. Step 5: Solve for x
    x = 3,287,493,605.33/72,410.22
  6. Step 6: Final answer
    x = 45,400.96

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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.