Home / 53,887.93-80,800.17-20,610.43

Finding the Fourth Proportional to 53,887.93, 80,800.17 and 20,610.43

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Solution

The fourth proportional to 53,887.93, 80,800.17 and 20,610.43 is: 30,903.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,887.93 : 80,800.17 = 20,610.43 : x
  2. Step 2: Convert to fraction form
    53,887.93/80,800.17 = 20,610.43/x
  3. Step 3: Cross multiply
    53,887.93x = 80,800.17 × 20,610.43
  4. Step 4: Simplify right side
    53,887.93x = 1,665,326,247.77
  5. Step 5: Solve for x
    x = 1,665,326,247.77/53,887.93
  6. Step 6: Final answer
    x = 30,903.51

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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.