Home / 47,984.07-71,945.30-19,923.49

Finding the Fourth Proportional to 47,984.07, 71,945.30 and 19,923.49

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Solution

The fourth proportional to 47,984.07, 71,945.30 and 19,923.49 is: 29,872.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,984.07 : 71,945.30 = 19,923.49 : x
  2. Step 2: Convert to fraction form
    47,984.07/71,945.30 = 19,923.49/x
  3. Step 3: Cross multiply
    47,984.07x = 71,945.30 × 19,923.49
  4. Step 4: Simplify right side
    47,984.07x = 1,433,401,365.48
  5. Step 5: Solve for x
    x = 1,433,401,365.48/47,984.07
  6. Step 6: Final answer
    x = 29,872.45

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1.5x scale

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.