Home / 47,442.24-65,469.60-28,589.76

Finding the Fourth Proportional to 47,442.24, 65,469.60 and 28,589.76

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Solution

The fourth proportional to 47,442.24, 65,469.60 and 28,589.76 is: 39,453.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,442.24 : 65,469.60 = 28,589.76 : x
  2. Step 2: Convert to fraction form
    47,442.24/65,469.60 = 28,589.76/x
  3. Step 3: Cross multiply
    47,442.24x = 65,469.60 × 28,589.76
  4. Step 4: Simplify right side
    47,442.24x = 1,871,760,151.30
  5. Step 5: Solve for x
    x = 1,871,760,151.30/47,442.24
  6. Step 6: Final answer
    x = 39,453.45

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1.5x scale

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.