Home / 47,616.30-71,448.75-19,557.90

Finding the Fourth Proportional to 47,616.30, 71,448.75 and 19,557.90

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Solution

The fourth proportional to 47,616.30, 71,448.75 and 19,557.90 is: 29,346.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,616.30 : 71,448.75 = 19,557.90 : x
  2. Step 2: Convert to fraction form
    47,616.30/71,448.75 = 19,557.90/x
  3. Step 3: Cross multiply
    47,616.30x = 71,448.75 × 19,557.90
  4. Step 4: Simplify right side
    47,616.30x = 1,397,387,507.63
  5. Step 5: Solve for x
    x = 1,397,387,507.63/47,616.30
  6. Step 6: Final answer
    x = 29,346.83

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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.