Home / 47,427.24-71,145-19,349.40

Finding the Fourth Proportional to 47,427.24, 71,145 and 19,349.40

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Solution

The fourth proportional to 47,427.24, 71,145 and 19,349.40 is: 29,025.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,427.24 : 71,145 = 19,349.40 : x
  2. Step 2: Convert to fraction form
    47,427.24/71,145 = 19,349.40/x
  3. Step 3: Cross multiply
    47,427.24x = 71,145 × 19,349.40
  4. Step 4: Simplify right side
    47,427.24x = 1,376,613,063
  5. Step 5: Solve for x
    x = 1,376,613,063/47,427.24
  6. Step 6: Final answer
    x = 29,025.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.