Home / 47,678.49-71,505.75-19,606.39

Finding the Fourth Proportional to 47,678.49, 71,505.75 and 19,606.39

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Solution

The fourth proportional to 47,678.49, 71,505.75 and 19,606.39 is: 29,404.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,678.49 : 71,505.75 = 19,606.39 : x
  2. Step 2: Convert to fraction form
    47,678.49/71,505.75 = 19,606.39/x
  3. Step 3: Cross multiply
    47,678.49x = 71,505.75 × 19,606.39
  4. Step 4: Simplify right side
    47,678.49x = 1,401,969,621.74
  5. Step 5: Solve for x
    x = 1,401,969,621.74/47,678.49
  6. Step 6: Final answer
    x = 29,404.66

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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.