Home / 47,138.76-70,709.84-15,549.60

Finding the Fourth Proportional to 47,138.76, 70,709.84 and 15,549.60

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Solution

The fourth proportional to 47,138.76, 70,709.84 and 15,549.60 is: 23,324.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,138.76 : 70,709.84 = 15,549.60 : x
  2. Step 2: Convert to fraction form
    47,138.76/70,709.84 = 15,549.60/x
  3. Step 3: Cross multiply
    47,138.76x = 70,709.84 × 15,549.60
  4. Step 4: Simplify right side
    47,138.76x = 1,099,509,728.06
  5. Step 5: Solve for x
    x = 1,099,509,728.06/47,138.76
  6. Step 6: Final answer
    x = 23,324.96

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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.