Home / 45,921.70-68,882.55-19,629.10

Finding the Fourth Proportional to 45,921.70, 68,882.55 and 19,629.10

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Solution

The fourth proportional to 45,921.70, 68,882.55 and 19,629.10 is: 29,443.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,921.70 : 68,882.55 = 19,629.10 : x
  2. Step 2: Convert to fraction form
    45,921.70/68,882.55 = 19,629.10/x
  3. Step 3: Cross multiply
    45,921.70x = 68,882.55 × 19,629.10
  4. Step 4: Simplify right side
    45,921.70x = 1,352,102,462.21
  5. Step 5: Solve for x
    x = 1,352,102,462.21/45,921.70
  6. Step 6: Final answer
    x = 29,443.65

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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.