Home / 45,151.68-62,163.72-38,765.64

Finding the Fourth Proportional to 45,151.68, 62,163.72 and 38,765.64

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Solution

The fourth proportional to 45,151.68, 62,163.72 and 38,765.64 is: 53,371.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,151.68 : 62,163.72 = 38,765.64 : x
  2. Step 2: Convert to fraction form
    45,151.68/62,163.72 = 38,765.64/x
  3. Step 3: Cross multiply
    45,151.68x = 62,163.72 × 38,765.64
  4. Step 4: Simplify right side
    45,151.68x = 2,409,816,390.58
  5. Step 5: Solve for x
    x = 2,409,816,390.58/45,151.68
  6. Step 6: Final answer
    x = 53,371.58

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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.