Home / 37,161.02-51,281.70-20,394.02

Finding the Fourth Proportional to 37,161.02, 51,281.70 and 20,394.02

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Solution

The fourth proportional to 37,161.02, 51,281.70 and 20,394.02 is: 28,143.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,161.02 : 51,281.70 = 20,394.02 : x
  2. Step 2: Convert to fraction form
    37,161.02/51,281.70 = 20,394.02/x
  3. Step 3: Cross multiply
    37,161.02x = 51,281.70 × 20,394.02
  4. Step 4: Simplify right side
    37,161.02x = 1,045,840,015.43
  5. Step 5: Solve for x
    x = 1,045,840,015.43/37,161.02
  6. Step 6: Final answer
    x = 28,143.47

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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.