Home / 51,340.57-71,212.45-49,975.04

Finding the Fourth Proportional to 51,340.57, 71,212.45 and 49,975.04

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Solution

The fourth proportional to 51,340.57, 71,212.45 and 49,975.04 is: 69,318.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,340.57 : 71,212.45 = 49,975.04 : x
  2. Step 2: Convert to fraction form
    51,340.57/71,212.45 = 49,975.04/x
  3. Step 3: Cross multiply
    51,340.57x = 71,212.45 × 49,975.04
  4. Step 4: Simplify right side
    51,340.57x = 3,558,844,787.37
  5. Step 5: Solve for x
    x = 3,558,844,787.37/51,340.57
  6. Step 6: Final answer
    x = 69,318.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.