Home / 39,104.29-58,664.63-16,920.82

Finding the Fourth Proportional to 39,104.29, 58,664.63 and 16,920.82

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Solution

The fourth proportional to 39,104.29, 58,664.63 and 16,920.82 is: 25,384.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,104.29 : 58,664.63 = 16,920.82 : x
  2. Step 2: Convert to fraction form
    39,104.29/58,664.63 = 16,920.82/x
  3. Step 3: Cross multiply
    39,104.29x = 58,664.63 × 16,920.82
  4. Step 4: Simplify right side
    39,104.29x = 992,653,644.60
  5. Step 5: Solve for x
    x = 992,653,644.60/39,104.29
  6. Step 6: Final answer
    x = 25,384.78

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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.