Home / 30,339.31-41,869.69-16,910.66

Finding the Fourth Proportional to 30,339.31, 41,869.69 and 16,910.66

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Solution

The fourth proportional to 30,339.31, 41,869.69 and 16,910.66 is: 23,337.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,339.31 : 41,869.69 = 16,910.66 : x
  2. Step 2: Convert to fraction form
    30,339.31/41,869.69 = 16,910.66/x
  3. Step 3: Cross multiply
    30,339.31x = 41,869.69 × 16,910.66
  4. Step 4: Simplify right side
    30,339.31x = 708,044,007.34
  5. Step 5: Solve for x
    x = 708,044,007.34/30,339.31
  6. Step 6: Final answer
    x = 23,337.51

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1.5x scale

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.