Home / 37,639-51,943.50-20,871.96

Finding the Fourth Proportional to 37,639, 51,943.50 and 20,871.96

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Solution

The fourth proportional to 37,639, 51,943.50 and 20,871.96 is: 28,804.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,639 : 51,943.50 = 20,871.96 : x
  2. Step 2: Convert to fraction form
    37,639/51,943.50 = 20,871.96/x
  3. Step 3: Cross multiply
    37,639x = 51,943.50 × 20,871.96
  4. Step 4: Simplify right side
    37,639x = 1,084,162,654.26
  5. Step 5: Solve for x
    x = 1,084,162,654.26/37,639
  6. Step 6: Final answer
    x = 28,804.24

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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.