Home / 30,145.95-41,599.39-16,716.71

Finding the Fourth Proportional to 30,145.95, 41,599.39 and 16,716.71

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Solution

The fourth proportional to 30,145.95, 41,599.39 and 16,716.71 is: 23,067.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,145.95 : 41,599.39 = 16,716.71 : x
  2. Step 2: Convert to fraction form
    30,145.95/41,599.39 = 16,716.71/x
  3. Step 3: Cross multiply
    30,145.95x = 41,599.39 × 16,716.71
  4. Step 4: Simplify right side
    30,145.95x = 695,404,938.81
  5. Step 5: Solve for x
    x = 695,404,938.81/30,145.95
  6. Step 6: Final answer
    x = 23,067.94

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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.