Home / 51,139.83-76,714.17-15,609.13

Finding the Fourth Proportional to 51,139.83, 76,714.17 and 15,609.13

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Solution

The fourth proportional to 51,139.83, 76,714.17 and 15,609.13 is: 23,415.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,139.83 : 76,714.17 = 15,609.13 : x
  2. Step 2: Convert to fraction form
    51,139.83/76,714.17 = 15,609.13/x
  3. Step 3: Cross multiply
    51,139.83x = 76,714.17 × 15,609.13
  4. Step 4: Simplify right side
    51,139.83x = 1,197,441,452.37
  5. Step 5: Solve for x
    x = 1,197,441,452.37/51,139.83
  6. Step 6: Final answer
    x = 23,415.05

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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.