Home / 36,406.86-54,623.43-12,717.92

Finding the Fourth Proportional to 36,406.86, 54,623.43 and 12,717.92

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Solution

The fourth proportional to 36,406.86, 54,623.43 and 12,717.92 is: 19,081.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,406.86 : 54,623.43 = 12,717.92 : x
  2. Step 2: Convert to fraction form
    36,406.86/54,623.43 = 12,717.92/x
  3. Step 3: Cross multiply
    36,406.86x = 54,623.43 × 12,717.92
  4. Step 4: Simplify right side
    36,406.86x = 694,696,139.75
  5. Step 5: Solve for x
    x = 694,696,139.75/36,406.86
  6. Step 6: Final answer
    x = 19,081.46

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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.