Home / 47,570.09-65,660.24-28,708.43

Finding the Fourth Proportional to 47,570.09, 65,660.24 and 28,708.43

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Solution

The fourth proportional to 47,570.09, 65,660.24 and 28,708.43 is: 39,625.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,570.09 : 65,660.24 = 28,708.43 : x
  2. Step 2: Convert to fraction form
    47,570.09/65,660.24 = 28,708.43/x
  3. Step 3: Cross multiply
    47,570.09x = 65,660.24 × 28,708.43
  4. Step 4: Simplify right side
    47,570.09x = 1,885,002,260.28
  5. Step 5: Solve for x
    x = 1,885,002,260.28/47,570.09
  6. Step 6: Final answer
    x = 39,625.79

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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.