Home / 45,574.06-68,368.38-19,286.32

Finding the Fourth Proportional to 45,574.06, 68,368.38 and 19,286.32

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Solution

The fourth proportional to 45,574.06, 68,368.38 and 19,286.32 is: 28,932.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,574.06 : 68,368.38 = 19,286.32 : x
  2. Step 2: Convert to fraction form
    45,574.06/68,368.38 = 19,286.32/x
  3. Step 3: Cross multiply
    45,574.06x = 68,368.38 × 19,286.32
  4. Step 4: Simplify right side
    45,574.06x = 1,318,574,454.56
  5. Step 5: Solve for x
    x = 1,318,574,454.56/45,574.06
  6. Step 6: Final answer
    x = 28,932.57

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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.