Home / 47,938.32-71,902.62-12,873.42

Finding the Fourth Proportional to 47,938.32, 71,902.62 and 12,873.42

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Solution

The fourth proportional to 47,938.32, 71,902.62 and 12,873.42 is: 19,308.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,938.32 : 71,902.62 = 12,873.42 : x
  2. Step 2: Convert to fraction form
    47,938.32/71,902.62 = 12,873.42/x
  3. Step 3: Cross multiply
    47,938.32x = 71,902.62 × 12,873.42
  4. Step 4: Simplify right side
    47,938.32x = 925,632,626.36
  5. Step 5: Solve for x
    x = 925,632,626.36/47,938.32
  6. Step 6: Final answer
    x = 19,308.82

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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.