Home / 47,250.62-70,889.78-13,971.55

Finding the Fourth Proportional to 47,250.62, 70,889.78 and 13,971.55

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Solution

The fourth proportional to 47,250.62, 70,889.78 and 13,971.55 is: 20,961.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,250.62 : 70,889.78 = 13,971.55 : x
  2. Step 2: Convert to fraction form
    47,250.62/70,889.78 = 13,971.55/x
  3. Step 3: Cross multiply
    47,250.62x = 70,889.78 × 13,971.55
  4. Step 4: Simplify right side
    47,250.62x = 990,440,035.90
  5. Step 5: Solve for x
    x = 990,440,035.90/47,250.62
  6. Step 6: Final answer
    x = 20,961.42

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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.