Home / 45,400.05-68,100.57-13,815.24

Finding the Fourth Proportional to 45,400.05, 68,100.57 and 13,815.24

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Solution

The fourth proportional to 45,400.05, 68,100.57 and 13,815.24 is: 20,723.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,400.05 : 68,100.57 = 13,815.24 : x
  2. Step 2: Convert to fraction form
    45,400.05/68,100.57 = 13,815.24/x
  3. Step 3: Cross multiply
    45,400.05x = 68,100.57 × 13,815.24
  4. Step 4: Simplify right side
    45,400.05x = 940,825,718.69
  5. Step 5: Solve for x
    x = 940,825,718.69/45,400.05
  6. Step 6: Final answer
    x = 20,723.01

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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.