Home / 49,388.28-74,171.64-45,432.24

Finding the Fourth Proportional to 49,388.28, 74,171.64 and 45,432.24

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Solution

The fourth proportional to 49,388.28, 74,171.64 and 45,432.24 is: 68,230.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,388.28 : 74,171.64 = 45,432.24 : x
  2. Step 2: Convert to fraction form
    49,388.28/74,171.64 = 45,432.24/x
  3. Step 3: Cross multiply
    49,388.28x = 74,171.64 × 45,432.24
  4. Step 4: Simplify right side
    49,388.28x = 3,369,783,749.67
  5. Step 5: Solve for x
    x = 3,369,783,749.67/49,388.28
  6. Step 6: Final answer
    x = 68,230.43

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1.5x scale

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.