Home / 51,588.55-71,206.96-30,380.12

Finding the Fourth Proportional to 51,588.55, 71,206.96 and 30,380.12

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Solution

The fourth proportional to 51,588.55, 71,206.96 and 30,380.12 is: 41,933.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,588.55 : 71,206.96 = 30,380.12 : x
  2. Step 2: Convert to fraction form
    51,588.55/71,206.96 = 30,380.12/x
  3. Step 3: Cross multiply
    51,588.55x = 71,206.96 × 30,380.12
  4. Step 4: Simplify right side
    51,588.55x = 2,163,275,989.64
  5. Step 5: Solve for x
    x = 2,163,275,989.64/51,588.55
  6. Step 6: Final answer
    x = 41,933.26

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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.