Home / 53,716.77-80,563.01-20,424.96

Finding the Fourth Proportional to 53,716.77, 80,563.01 and 20,424.96

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Solution

The fourth proportional to 53,716.77, 80,563.01 and 20,424.96 is: 30,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,716.77 : 80,563.01 = 20,424.96 : x
  2. Step 2: Convert to fraction form
    53,716.77/80,563.01 = 20,424.96/x
  3. Step 3: Cross multiply
    53,716.77x = 80,563.01 × 20,424.96
  4. Step 4: Simplify right side
    53,716.77x = 1,645,496,154.60
  5. Step 5: Solve for x
    x = 1,645,496,154.60/53,716.77
  6. Step 6: Final answer
    x = 30,632.82

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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.