Home / 47,472.74-65,452.84-30,446.96

Finding the Fourth Proportional to 47,472.74, 65,452.84 and 30,446.96

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Solution

The fourth proportional to 47,472.74, 65,452.84 and 30,446.96 is: 41,978.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,472.74 : 65,452.84 = 30,446.96 : x
  2. Step 2: Convert to fraction form
    47,472.74/65,452.84 = 30,446.96/x
  3. Step 3: Cross multiply
    47,472.74x = 65,452.84 × 30,446.96
  4. Step 4: Simplify right side
    47,472.74x = 1,992,840,001.37
  5. Step 5: Solve for x
    x = 1,992,840,001.37/47,472.74
  6. Step 6: Final answer
    x = 41,978.62

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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.