Home / 36,399.86-54,595.47-21,415.94

Finding the Fourth Proportional to 36,399.86, 54,595.47 and 21,415.94

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Solution

The fourth proportional to 36,399.86, 54,595.47 and 21,415.94 is: 32,121.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,399.86 : 54,595.47 = 21,415.94 : x
  2. Step 2: Convert to fraction form
    36,399.86/54,595.47 = 21,415.94/x
  3. Step 3: Cross multiply
    36,399.86x = 54,595.47 × 21,415.94
  4. Step 4: Simplify right side
    36,399.86x = 1,169,213,309.79
  5. Step 5: Solve for x
    x = 1,169,213,309.79/36,399.86
  6. Step 6: Final answer
    x = 32,121.37

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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.