Home / 47,634.49-71,449.53-19,547.61

Finding the Fourth Proportional to 47,634.49, 71,449.53 and 19,547.61

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Solution

The fourth proportional to 47,634.49, 71,449.53 and 19,547.61 is: 29,320.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,634.49 : 71,449.53 = 19,547.61 : x
  2. Step 2: Convert to fraction form
    47,634.49/71,449.53 = 19,547.61/x
  3. Step 3: Cross multiply
    47,634.49x = 71,449.53 × 19,547.61
  4. Step 4: Simplify right side
    47,634.49x = 1,396,667,547.12
  5. Step 5: Solve for x
    x = 1,396,667,547.12/47,634.49
  6. Step 6: Final answer
    x = 29,320.51

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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.