Home / 48,571.94-67,015.32-30,672.74

Finding the Fourth Proportional to 48,571.94, 67,015.32 and 30,672.74

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Solution

The fourth proportional to 48,571.94, 67,015.32 and 30,672.74 is: 42,319.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,571.94 : 67,015.32 = 30,672.74 : x
  2. Step 2: Convert to fraction form
    48,571.94/67,015.32 = 30,672.74/x
  3. Step 3: Cross multiply
    48,571.94x = 67,015.32 × 30,672.74
  4. Step 4: Simplify right side
    48,571.94x = 2,055,543,486.38
  5. Step 5: Solve for x
    x = 2,055,543,486.38/48,571.94
  6. Step 6: Final answer
    x = 42,319.57

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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.