Home / 47,529.59-71,223.71-20,851.02

Finding the Fourth Proportional to 47,529.59, 71,223.71 and 20,851.02

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Solution

The fourth proportional to 47,529.59, 71,223.71 and 20,851.02 is: 31,245.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,529.59 : 71,223.71 = 20,851.02 : x
  2. Step 2: Convert to fraction form
    47,529.59/71,223.71 = 20,851.02/x
  3. Step 3: Cross multiply
    47,529.59x = 71,223.71 × 20,851.02
  4. Step 4: Simplify right side
    47,529.59x = 1,485,086,897.43
  5. Step 5: Solve for x
    x = 1,485,086,897.43/47,529.59
  6. Step 6: Final answer
    x = 31,245.53

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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.