Home / 46,229.20-69,345.40-14,639.60

Finding the Fourth Proportional to 46,229.20, 69,345.40 and 14,639.60

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Solution

The fourth proportional to 46,229.20, 69,345.40 and 14,639.60 is: 21,959.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,229.20 : 69,345.40 = 14,639.60 : x
  2. Step 2: Convert to fraction form
    46,229.20/69,345.40 = 14,639.60/x
  3. Step 3: Cross multiply
    46,229.20x = 69,345.40 × 14,639.60
  4. Step 4: Simplify right side
    46,229.20x = 1,015,188,917.84
  5. Step 5: Solve for x
    x = 1,015,188,917.84/46,229.20
  6. Step 6: Final answer
    x = 21,959.91

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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.