Home / 51,140.33-76,714.92-15,609.63

Finding the Fourth Proportional to 51,140.33, 76,714.92 and 15,609.63

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Solution

The fourth proportional to 51,140.33, 76,714.92 and 15,609.63 is: 23,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,140.33 : 76,714.92 = 15,609.63 : x
  2. Step 2: Convert to fraction form
    51,140.33/76,714.92 = 15,609.63/x
  3. Step 3: Cross multiply
    51,140.33x = 76,714.92 × 15,609.63
  4. Step 4: Simplify right side
    51,140.33x = 1,197,491,516.68
  5. Step 5: Solve for x
    x = 1,197,491,516.68/51,140.33
  6. Step 6: Final answer
    x = 23,415.80

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1.5x scale

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.