Home / 47,790.56-71,668.80-19,709.44

Finding the Fourth Proportional to 47,790.56, 71,668.80 and 19,709.44

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Solution

The fourth proportional to 47,790.56, 71,668.80 and 19,709.44 is: 29,557.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,790.56 : 71,668.80 = 19,709.44 : x
  2. Step 2: Convert to fraction form
    47,790.56/71,668.80 = 19,709.44/x
  3. Step 3: Cross multiply
    47,790.56x = 71,668.80 × 19,709.44
  4. Step 4: Simplify right side
    47,790.56x = 1,412,551,913.47
  5. Step 5: Solve for x
    x = 1,412,551,913.47/47,790.56
  6. Step 6: Final answer
    x = 29,557.13

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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.