Home / 45,864.35-68,789.15-12,576.69

Finding the Fourth Proportional to 45,864.35, 68,789.15 and 12,576.69

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Solution

The fourth proportional to 45,864.35, 68,789.15 and 12,576.69 is: 18,863.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,864.35 : 68,789.15 = 12,576.69 : x
  2. Step 2: Convert to fraction form
    45,864.35/68,789.15 = 12,576.69/x
  3. Step 3: Cross multiply
    45,864.35x = 68,789.15 × 12,576.69
  4. Step 4: Simplify right side
    45,864.35x = 865,139,955.44
  5. Step 5: Solve for x
    x = 865,139,955.44/45,864.35
  6. Step 6: Final answer
    x = 18,863.01

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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.