Home / 39,168.86-54,047.32-22,398.62

Finding the Fourth Proportional to 39,168.86, 54,047.32 and 22,398.62

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Solution

The fourth proportional to 39,168.86, 54,047.32 and 22,398.62 is: 30,906.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,168.86 : 54,047.32 = 22,398.62 : x
  2. Step 2: Convert to fraction form
    39,168.86/54,047.32 = 22,398.62/x
  3. Step 3: Cross multiply
    39,168.86x = 54,047.32 × 22,398.62
  4. Step 4: Simplify right side
    39,168.86x = 1,210,585,056.47
  5. Step 5: Solve for x
    x = 1,210,585,056.47/39,168.86
  6. Step 6: Final answer
    x = 30,906.83

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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.