Home / 45,921.62-68,889.63-19,626.50

Finding the Fourth Proportional to 45,921.62, 68,889.63 and 19,626.50

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Solution

The fourth proportional to 45,921.62, 68,889.63 and 19,626.50 is: 29,442.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,921.62 : 68,889.63 = 19,626.50 : x
  2. Step 2: Convert to fraction form
    45,921.62/68,889.63 = 19,626.50/x
  3. Step 3: Cross multiply
    45,921.62x = 68,889.63 × 19,626.50
  4. Step 4: Simplify right side
    45,921.62x = 1,352,062,323.20
  5. Step 5: Solve for x
    x = 1,352,062,323.20/45,921.62
  6. Step 6: Final answer
    x = 29,442.83

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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.