Home / 47,177.42-65,198.24-38,666.12

Finding the Fourth Proportional to 47,177.42, 65,198.24 and 38,666.12

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Solution

The fourth proportional to 47,177.42, 65,198.24 and 38,666.12 is: 53,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,177.42 : 65,198.24 = 38,666.12 : x
  2. Step 2: Convert to fraction form
    47,177.42/65,198.24 = 38,666.12/x
  3. Step 3: Cross multiply
    47,177.42x = 65,198.24 × 38,666.12
  4. Step 4: Simplify right side
    47,177.42x = 2,520,962,971.63
  5. Step 5: Solve for x
    x = 2,520,962,971.63/47,177.42
  6. Step 6: Final answer
    x = 53,435.80

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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.