Home / 47,471.74-65,451.46-30,445.96

Finding the Fourth Proportional to 47,471.74, 65,451.46 and 30,445.96

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Solution

The fourth proportional to 47,471.74, 65,451.46 and 30,445.96 is: 41,977.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,471.74 : 65,451.46 = 30,445.96 : x
  2. Step 2: Convert to fraction form
    47,471.74/65,451.46 = 30,445.96/x
  3. Step 3: Cross multiply
    47,471.74x = 65,451.46 × 30,445.96
  4. Step 4: Simplify right side
    47,471.74x = 1,992,732,533.10
  5. Step 5: Solve for x
    x = 1,992,732,533.10/47,471.74
  6. Step 6: Final answer
    x = 41,977.24

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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.