Home / 45,015.24-67,401.36-30,192.24

Finding the Fourth Proportional to 45,015.24, 67,401.36 and 30,192.24

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Solution

The fourth proportional to 45,015.24, 67,401.36 and 30,192.24 is: 45,206.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,015.24 : 67,401.36 = 30,192.24 : x
  2. Step 2: Convert to fraction form
    45,015.24/67,401.36 = 30,192.24/x
  3. Step 3: Cross multiply
    45,015.24x = 67,401.36 × 30,192.24
  4. Step 4: Simplify right side
    45,015.24x = 2,034,998,037.45
  5. Step 5: Solve for x
    x = 2,034,998,037.45/45,015.24
  6. Step 6: Final answer
    x = 45,206.87

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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.