Home / 47,723.22-65,847.60-28,859.94

Finding the Fourth Proportional to 47,723.22, 65,847.60 and 28,859.94

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Solution

The fourth proportional to 47,723.22, 65,847.60 and 28,859.94 is: 39,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,723.22 : 65,847.60 = 28,859.94 : x
  2. Step 2: Convert to fraction form
    47,723.22/65,847.60 = 28,859.94/x
  3. Step 3: Cross multiply
    47,723.22x = 65,847.60 × 28,859.94
  4. Step 4: Simplify right side
    47,723.22x = 1,900,357,785.14
  5. Step 5: Solve for x
    x = 1,900,357,785.14/47,723.22
  6. Step 6: Final answer
    x = 39,820.40

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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.