Home / 30,900.07-46,374.73-12,184.82

Finding the Fourth Proportional to 30,900.07, 46,374.73 and 12,184.82

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Solution

The fourth proportional to 30,900.07, 46,374.73 and 12,184.82 is: 18,286.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,900.07 : 46,374.73 = 12,184.82 : x
  2. Step 2: Convert to fraction form
    30,900.07/46,374.73 = 12,184.82/x
  3. Step 3: Cross multiply
    30,900.07x = 46,374.73 × 12,184.82
  4. Step 4: Simplify right side
    30,900.07x = 565,067,649.17
  5. Step 5: Solve for x
    x = 565,067,649.17/30,900.07
  6. Step 6: Final answer
    x = 18,286.94

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1.5x scale

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.