Home / 37,486.40-51,732.62-20,491.79

Finding the Fourth Proportional to 37,486.40, 51,732.62 and 20,491.79

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Solution

The fourth proportional to 37,486.40, 51,732.62 and 20,491.79 is: 28,279.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,486.40 : 51,732.62 = 20,491.79 : x
  2. Step 2: Convert to fraction form
    37,486.40/51,732.62 = 20,491.79/x
  3. Step 3: Cross multiply
    37,486.40x = 51,732.62 × 20,491.79
  4. Step 4: Simplify right side
    37,486.40x = 1,060,093,985.19
  5. Step 5: Solve for x
    x = 1,060,093,985.19/37,486.40
  6. Step 6: Final answer
    x = 28,279.43

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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.