Home / 47,502.66-71,243.46-21,190.62

Finding the Fourth Proportional to 47,502.66, 71,243.46 and 21,190.62

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Solution

The fourth proportional to 47,502.66, 71,243.46 and 21,190.62 is: 31,781.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,502.66 : 71,243.46 = 21,190.62 : x
  2. Step 2: Convert to fraction form
    47,502.66/71,243.46 = 21,190.62/x
  3. Step 3: Cross multiply
    47,502.66x = 71,243.46 × 21,190.62
  4. Step 4: Simplify right side
    47,502.66x = 1,509,693,088.35
  5. Step 5: Solve for x
    x = 1,509,693,088.35/47,502.66
  6. Step 6: Final answer
    x = 31,781.23

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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.