Home / 51,676.43-71,321.28-31,545.05

Finding the Fourth Proportional to 51,676.43, 71,321.28 and 31,545.05

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Solution

The fourth proportional to 51,676.43, 71,321.28 and 31,545.05 is: 43,536.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,676.43 : 71,321.28 = 31,545.05 : x
  2. Step 2: Convert to fraction form
    51,676.43/71,321.28 = 31,545.05/x
  3. Step 3: Cross multiply
    51,676.43x = 71,321.28 × 31,545.05
  4. Step 4: Simplify right side
    51,676.43x = 2,249,833,343.66
  5. Step 5: Solve for x
    x = 2,249,833,343.66/51,676.43
  6. Step 6: Final answer
    x = 43,536.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.