Home / 41,739.71-62,615.43-12,159.72

Finding the Fourth Proportional to 41,739.71, 62,615.43 and 12,159.72

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Solution

The fourth proportional to 41,739.71, 62,615.43 and 12,159.72 is: 18,241.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,739.71 : 62,615.43 = 12,159.72 : x
  2. Step 2: Convert to fraction form
    41,739.71/62,615.43 = 12,159.72/x
  3. Step 3: Cross multiply
    41,739.71x = 62,615.43 × 12,159.72
  4. Step 4: Simplify right side
    41,739.71x = 761,386,096.48
  5. Step 5: Solve for x
    x = 761,386,096.48/41,739.71
  6. Step 6: Final answer
    x = 18,241.29

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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.