Home / 40,105.86-60,138.05-17,607.33

Finding the Fourth Proportional to 40,105.86, 60,138.05 and 17,607.33

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Solution

The fourth proportional to 40,105.86, 60,138.05 and 17,607.33 is: 26,401.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,105.86 : 60,138.05 = 17,607.33 : x
  2. Step 2: Convert to fraction form
    40,105.86/60,138.05 = 17,607.33/x
  3. Step 3: Cross multiply
    40,105.86x = 60,138.05 × 17,607.33
  4. Step 4: Simplify right side
    40,105.86x = 1,058,870,403.87
  5. Step 5: Solve for x
    x = 1,058,870,403.87/40,105.86
  6. Step 6: Final answer
    x = 26,401.89

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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.