Home / 47,351.64-65,336.16-28,490.04

Finding the Fourth Proportional to 47,351.64, 65,336.16 and 28,490.04

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Solution

The fourth proportional to 47,351.64, 65,336.16 and 28,490.04 is: 39,310.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,351.64 : 65,336.16 = 28,490.04 : x
  2. Step 2: Convert to fraction form
    47,351.64/65,336.16 = 28,490.04/x
  3. Step 3: Cross multiply
    47,351.64x = 65,336.16 × 28,490.04
  4. Step 4: Simplify right side
    47,351.64x = 1,861,429,811.85
  5. Step 5: Solve for x
    x = 1,861,429,811.85/47,351.64
  6. Step 6: Final answer
    x = 39,310.78

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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.