Home / 47,484.80-71,243.70-17,911.16

Finding the Fourth Proportional to 47,484.80, 71,243.70 and 17,911.16

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Solution

The fourth proportional to 47,484.80, 71,243.70 and 17,911.16 is: 26,872.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,484.80 : 71,243.70 = 17,911.16 : x
  2. Step 2: Convert to fraction form
    47,484.80/71,243.70 = 17,911.16/x
  3. Step 3: Cross multiply
    47,484.80x = 71,243.70 × 17,911.16
  4. Step 4: Simplify right side
    47,484.80x = 1,276,057,309.69
  5. Step 5: Solve for x
    x = 1,276,057,309.69/47,484.80
  6. Step 6: Final answer
    x = 26,872.96

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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.