Home / 72,212.01-108,328.35-22,296.36

Finding the Fourth Proportional to 72,212.01, 108,328.35 and 22,296.36

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Solution

The fourth proportional to 72,212.01, 108,328.35 and 22,296.36 is: 33,447.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,212.01 : 108,328.35 = 22,296.36 : x
  2. Step 2: Convert to fraction form
    72,212.01/108,328.35 = 22,296.36/x
  3. Step 3: Cross multiply
    72,212.01x = 108,328.35 × 22,296.36
  4. Step 4: Simplify right side
    72,212.01x = 2,415,328,379.65
  5. Step 5: Solve for x
    x = 2,415,328,379.65/72,212.01
  6. Step 6: Final answer
    x = 33,447.74

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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.