Home / 30,200.40-41,677.12-16,772.91

Finding the Fourth Proportional to 30,200.40, 41,677.12 and 16,772.91

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Solution

The fourth proportional to 30,200.40, 41,677.12 and 16,772.91 is: 23,146.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,200.40 : 41,677.12 = 16,772.91 : x
  2. Step 2: Convert to fraction form
    30,200.40/41,677.12 = 16,772.91/x
  3. Step 3: Cross multiply
    30,200.40x = 41,677.12 × 16,772.91
  4. Step 4: Simplify right side
    30,200.40x = 699,046,645.08
  5. Step 5: Solve for x
    x = 699,046,645.08/30,200.40
  6. Step 6: Final answer
    x = 23,146.93

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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.