Home / 51,341.07-71,213.14-49,975.54

Finding the Fourth Proportional to 51,341.07, 71,213.14 and 49,975.54

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Solution

The fourth proportional to 51,341.07, 71,213.14 and 49,975.54 is: 69,319.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,341.07 : 71,213.14 = 49,975.54 : x
  2. Step 2: Convert to fraction form
    51,341.07/71,213.14 = 49,975.54/x
  3. Step 3: Cross multiply
    51,341.07x = 71,213.14 × 49,975.54
  4. Step 4: Simplify right side
    51,341.07x = 3,558,915,126.60
  5. Step 5: Solve for x
    x = 3,558,915,126.60/51,341.07
  6. Step 6: Final answer
    x = 69,319.07

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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.