Home / 47,391.76-65,351.64-40,699.56

Finding the Fourth Proportional to 47,391.76, 65,351.64 and 40,699.56

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Solution

The fourth proportional to 47,391.76, 65,351.64 and 40,699.56 is: 56,123.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,391.76 : 65,351.64 = 40,699.56 : x
  2. Step 2: Convert to fraction form
    47,391.76/65,351.64 = 40,699.56/x
  3. Step 3: Cross multiply
    47,391.76x = 65,351.64 × 40,699.56
  4. Step 4: Simplify right side
    47,391.76x = 2,659,782,993.28
  5. Step 5: Solve for x
    x = 2,659,782,993.28/47,391.76
  6. Step 6: Final answer
    x = 56,123.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.