Home / 30,145.05-41,600.52-16,716.47

Finding the Fourth Proportional to 30,145.05, 41,600.52 and 16,716.47

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Solution

The fourth proportional to 30,145.05, 41,600.52 and 16,716.47 is: 23,068.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,145.05 : 41,600.52 = 16,716.47 : x
  2. Step 2: Convert to fraction form
    30,145.05/41,600.52 = 16,716.47/x
  3. Step 3: Cross multiply
    30,145.05x = 41,600.52 × 16,716.47
  4. Step 4: Simplify right side
    30,145.05x = 695,413,636.56
  5. Step 5: Solve for x
    x = 695,413,636.56/30,145.05
  6. Step 6: Final answer
    x = 23,068.92

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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.