Home / 53,163.32-79,760.57-15,724.37

Finding the Fourth Proportional to 53,163.32, 79,760.57 and 15,724.37

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Solution

The fourth proportional to 53,163.32, 79,760.57 and 15,724.37 is: 23,591.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,163.32 : 79,760.57 = 15,724.37 : x
  2. Step 2: Convert to fraction form
    53,163.32/79,760.57 = 15,724.37/x
  3. Step 3: Cross multiply
    53,163.32x = 79,760.57 × 15,724.37
  4. Step 4: Simplify right side
    53,163.32x = 1,254,184,834.87
  5. Step 5: Solve for x
    x = 1,254,184,834.87/53,163.32
  6. Step 6: Final answer
    x = 23,591.17

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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.