Home / 51,975.63-71,744.80-30,754.85

Finding the Fourth Proportional to 51,975.63, 71,744.80 and 30,754.85

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Solution

The fourth proportional to 51,975.63, 71,744.80 and 30,754.85 is: 42,452.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,975.63 : 71,744.80 = 30,754.85 : x
  2. Step 2: Convert to fraction form
    51,975.63/71,744.80 = 30,754.85/x
  3. Step 3: Cross multiply
    51,975.63x = 71,744.80 × 30,754.85
  4. Step 4: Simplify right side
    51,975.63x = 2,206,500,203.56
  5. Step 5: Solve for x
    x = 2,206,500,203.56/51,975.63
  6. Step 6: Final answer
    x = 42,452.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.