Home / 46,821.12-64,568.52-30,664.32

Finding the Fourth Proportional to 46,821.12, 64,568.52 and 30,664.32

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Solution

The fourth proportional to 46,821.12, 64,568.52 and 30,664.32 is: 42,287.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,821.12 : 64,568.52 = 30,664.32 : x
  2. Step 2: Convert to fraction form
    46,821.12/64,568.52 = 30,664.32/x
  3. Step 3: Cross multiply
    46,821.12x = 64,568.52 × 30,664.32
  4. Step 4: Simplify right side
    46,821.12x = 1,979,949,759.21
  5. Step 5: Solve for x
    x = 1,979,949,759.21/46,821.12
  6. Step 6: Final answer
    x = 42,287.54

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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.