Home / 47,145.96-65,057.40-28,279.44

Finding the Fourth Proportional to 47,145.96, 65,057.40 and 28,279.44

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Solution

The fourth proportional to 47,145.96, 65,057.40 and 28,279.44 is: 39,023.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,145.96 : 65,057.40 = 28,279.44 : x
  2. Step 2: Convert to fraction form
    47,145.96/65,057.40 = 28,279.44/x
  3. Step 3: Cross multiply
    47,145.96x = 65,057.40 × 28,279.44
  4. Step 4: Simplify right side
    47,145.96x = 1,839,786,839.86
  5. Step 5: Solve for x
    x = 1,839,786,839.86/47,145.96
  6. Step 6: Final answer
    x = 39,023.21

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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.