Home / 54,303-74,942.46-31,951.32

Finding the Fourth Proportional to 54,303, 74,942.46 and 31,951.32

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Solution

The fourth proportional to 54,303, 74,942.46 and 31,951.32 is: 44,095.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,303 : 74,942.46 = 31,951.32 : x
  2. Step 2: Convert to fraction form
    54,303/74,942.46 = 31,951.32/x
  3. Step 3: Cross multiply
    54,303x = 74,942.46 × 31,951.32
  4. Step 4: Simplify right side
    54,303x = 2,394,510,521.05
  5. Step 5: Solve for x
    x = 2,394,510,521.05/54,303
  6. Step 6: Final answer
    x = 44,095.36

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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.