Home / 30,082.92-45,163.80-20,151.24

Finding the Fourth Proportional to 30,082.92, 45,163.80 and 20,151.24

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Solution

The fourth proportional to 30,082.92, 45,163.80 and 20,151.24 is: 30,253.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,082.92 : 45,163.80 = 20,151.24 : x
  2. Step 2: Convert to fraction form
    30,082.92/45,163.80 = 20,151.24/x
  3. Step 3: Cross multiply
    30,082.92x = 45,163.80 × 20,151.24
  4. Step 4: Simplify right side
    30,082.92x = 910,106,573.11
  5. Step 5: Solve for x
    x = 910,106,573.11/30,082.92
  6. Step 6: Final answer
    x = 30,253.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.