Home / 47,100.78-70,663.47-15,515.64

Finding the Fourth Proportional to 47,100.78, 70,663.47 and 15,515.64

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Solution

The fourth proportional to 47,100.78, 70,663.47 and 15,515.64 is: 23,277.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,100.78 : 70,663.47 = 15,515.64 : x
  2. Step 2: Convert to fraction form
    47,100.78/70,663.47 = 15,515.64/x
  3. Step 3: Cross multiply
    47,100.78x = 70,663.47 × 15,515.64
  4. Step 4: Simplify right side
    47,100.78x = 1,096,388,961.67
  5. Step 5: Solve for x
    x = 1,096,388,961.67/47,100.78
  6. Step 6: Final answer
    x = 23,277.51

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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.