Home / 37,940.81-52,358.27-21,173.81

Finding the Fourth Proportional to 37,940.81, 52,358.27 and 21,173.81

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Solution

The fourth proportional to 37,940.81, 52,358.27 and 21,173.81 is: 29,219.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,940.81 : 52,358.27 = 21,173.81 : x
  2. Step 2: Convert to fraction form
    37,940.81/52,358.27 = 21,173.81/x
  3. Step 3: Cross multiply
    37,940.81x = 52,358.27 × 21,173.81
  4. Step 4: Simplify right side
    37,940.81x = 1,108,623,693.25
  5. Step 5: Solve for x
    x = 1,108,623,693.25/37,940.81
  6. Step 6: Final answer
    x = 29,219.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.