Home / 36,403.83-54,605.79-20,810.52

Finding the Fourth Proportional to 36,403.83, 54,605.79 and 20,810.52

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Solution

The fourth proportional to 36,403.83, 54,605.79 and 20,810.52 is: 31,215.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,403.83 : 54,605.79 = 20,810.52 : x
  2. Step 2: Convert to fraction form
    36,403.83/54,605.79 = 20,810.52/x
  3. Step 3: Cross multiply
    36,403.83x = 54,605.79 × 20,810.52
  4. Step 4: Simplify right side
    36,403.83x = 1,136,374,884.91
  5. Step 5: Solve for x
    x = 1,136,374,884.91/36,403.83
  6. Step 6: Final answer
    x = 31,215.81

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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.