Home / 30,677.32-46,018.41-8,188.08

Finding the Fourth Proportional to 30,677.32, 46,018.41 and 8,188.08

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Solution

The fourth proportional to 30,677.32, 46,018.41 and 8,188.08 is: 12,282.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,677.32 : 46,018.41 = 8,188.08 : x
  2. Step 2: Convert to fraction form
    30,677.32/46,018.41 = 8,188.08/x
  3. Step 3: Cross multiply
    30,677.32x = 46,018.41 × 8,188.08
  4. Step 4: Simplify right side
    30,677.32x = 376,802,422.55
  5. Step 5: Solve for x
    x = 376,802,422.55/30,677.32
  6. Step 6: Final answer
    x = 12,282.77

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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.