Home / 39,121.31-58,703.25-16,628.47

Finding the Fourth Proportional to 39,121.31, 58,703.25 and 16,628.47

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Solution

The fourth proportional to 39,121.31, 58,703.25 and 16,628.47 is: 24,951.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,121.31 : 58,703.25 = 16,628.47 : x
  2. Step 2: Convert to fraction form
    39,121.31/58,703.25 = 16,628.47/x
  3. Step 3: Cross multiply
    39,121.31x = 58,703.25 × 16,628.47
  4. Step 4: Simplify right side
    39,121.31x = 976,144,938.01
  5. Step 5: Solve for x
    x = 976,144,938.01/39,121.31
  6. Step 6: Final answer
    x = 24,951.74

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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.