Home / 34,103.43-51,155.48-21,284.51

Finding the Fourth Proportional to 34,103.43, 51,155.48 and 21,284.51

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Solution

The fourth proportional to 34,103.43, 51,155.48 and 21,284.51 is: 31,926.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,103.43 : 51,155.48 = 21,284.51 : x
  2. Step 2: Convert to fraction form
    34,103.43/51,155.48 = 21,284.51/x
  3. Step 3: Cross multiply
    34,103.43x = 51,155.48 × 21,284.51
  4. Step 4: Simplify right side
    34,103.43x = 1,088,819,123.05
  5. Step 5: Solve for x
    x = 1,088,819,123.05/34,103.43
  6. Step 6: Final answer
    x = 31,926.97

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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.