Home / 47,273.03-70,913.18-13,992.56

Finding the Fourth Proportional to 47,273.03, 70,913.18 and 13,992.56

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Solution

The fourth proportional to 47,273.03, 70,913.18 and 13,992.56 is: 20,989.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,273.03 : 70,913.18 = 13,992.56 : x
  2. Step 2: Convert to fraction form
    47,273.03/70,913.18 = 13,992.56/x
  3. Step 3: Cross multiply
    47,273.03x = 70,913.18 × 13,992.56
  4. Step 4: Simplify right side
    47,273.03x = 992,256,606.36
  5. Step 5: Solve for x
    x = 992,256,606.36/47,273.03
  6. Step 6: Final answer
    x = 20,989.91

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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.