Home / 72,728.69-109,093.04-22,813.16

Finding the Fourth Proportional to 72,728.69, 109,093.04 and 22,813.16

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Solution

The fourth proportional to 72,728.69, 109,093.04 and 22,813.16 is: 34,219.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,728.69 : 109,093.04 = 22,813.16 : x
  2. Step 2: Convert to fraction form
    72,728.69/109,093.04 = 22,813.16/x
  3. Step 3: Cross multiply
    72,728.69x = 109,093.04 × 22,813.16
  4. Step 4: Simplify right side
    72,728.69x = 2,488,756,316.88
  5. Step 5: Solve for x
    x = 2,488,756,316.88/72,728.69
  6. Step 6: Final answer
    x = 34,219.73

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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.