Home / 34,381.16-51,576.68-13,041.72

Finding the Fourth Proportional to 34,381.16, 51,576.68 and 13,041.72

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Solution

The fourth proportional to 34,381.16, 51,576.68 and 13,041.72 is: 19,564.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,381.16 : 51,576.68 = 13,041.72 : x
  2. Step 2: Convert to fraction form
    34,381.16/51,576.68 = 13,041.72/x
  3. Step 3: Cross multiply
    34,381.16x = 51,576.68 × 13,041.72
  4. Step 4: Simplify right side
    34,381.16x = 672,648,553.88
  5. Step 5: Solve for x
    x = 672,648,553.88/34,381.16
  6. Step 6: Final answer
    x = 19,564.45

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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.