Home / 47,851.68-71,782.30-18,294.38

Finding the Fourth Proportional to 47,851.68, 71,782.30 and 18,294.38

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Solution

The fourth proportional to 47,851.68, 71,782.30 and 18,294.38 is: 27,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,851.68 : 71,782.30 = 18,294.38 : x
  2. Step 2: Convert to fraction form
    47,851.68/71,782.30 = 18,294.38/x
  3. Step 3: Cross multiply
    47,851.68x = 71,782.30 × 18,294.38
  4. Step 4: Simplify right side
    47,851.68x = 1,313,212,673.47
  5. Step 5: Solve for x
    x = 1,313,212,673.47/47,851.68
  6. Step 6: Final answer
    x = 27,443.40

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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.