Home / 47,249.24-65,143.14-38,720.12

Finding the Fourth Proportional to 47,249.24, 65,143.14 and 38,720.12

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Solution

The fourth proportional to 47,249.24, 65,143.14 and 38,720.12 is: 53,383.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,249.24 : 65,143.14 = 38,720.12 : x
  2. Step 2: Convert to fraction form
    47,249.24/65,143.14 = 38,720.12/x
  3. Step 3: Cross multiply
    47,249.24x = 65,143.14 × 38,720.12
  4. Step 4: Simplify right side
    47,249.24x = 2,522,350,197.98
  5. Step 5: Solve for x
    x = 2,522,350,197.98/47,249.24
  6. Step 6: Final answer
    x = 53,383.93

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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.