Home / 45,505.68-68,289.28-15,923.78

Finding the Fourth Proportional to 45,505.68, 68,289.28 and 15,923.78

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Solution

The fourth proportional to 45,505.68, 68,289.28 and 15,923.78 is: 23,896.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,505.68 : 68,289.28 = 15,923.78 : x
  2. Step 2: Convert to fraction form
    45,505.68/68,289.28 = 15,923.78/x
  3. Step 3: Cross multiply
    45,505.68x = 68,289.28 × 15,923.78
  4. Step 4: Simplify right side
    45,505.68x = 1,087,423,050.01
  5. Step 5: Solve for x
    x = 1,087,423,050.01/45,505.68
  6. Step 6: Final answer
    x = 23,896.42

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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.