Home / 47,540.06-65,606.25-28,439.54

Finding the Fourth Proportional to 47,540.06, 65,606.25 and 28,439.54

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Solution

The fourth proportional to 47,540.06, 65,606.25 and 28,439.54 is: 39,247.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,540.06 : 65,606.25 = 28,439.54 : x
  2. Step 2: Convert to fraction form
    47,540.06/65,606.25 = 28,439.54/x
  3. Step 3: Cross multiply
    47,540.06x = 65,606.25 × 28,439.54
  4. Step 4: Simplify right side
    47,540.06x = 1,865,811,571.13
  5. Step 5: Solve for x
    x = 1,865,811,571.13/47,540.06
  6. Step 6: Final answer
    x = 39,247.14

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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.