Home / 49,200.28-73,812.78-14,140

Finding the Fourth Proportional to 49,200.28, 73,812.78 and 14,140

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Solution

The fourth proportional to 49,200.28, 73,812.78 and 14,140 is: 21,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,200.28 : 73,812.78 = 14,140 : x
  2. Step 2: Convert to fraction form
    49,200.28/73,812.78 = 14,140/x
  3. Step 3: Cross multiply
    49,200.28x = 73,812.78 × 14,140
  4. Step 4: Simplify right side
    49,200.28x = 1,043,712,709.20
  5. Step 5: Solve for x
    x = 1,043,712,709.20/49,200.28
  6. Step 6: Final answer
    x = 21,213.55

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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.