Home / 46,664.20-64,378.20-28,728.04

Finding the Fourth Proportional to 46,664.20, 64,378.20 and 28,728.04

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Solution

The fourth proportional to 46,664.20, 64,378.20 and 28,728.04 is: 39,633.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,664.20 : 64,378.20 = 28,728.04 : x
  2. Step 2: Convert to fraction form
    46,664.20/64,378.20 = 28,728.04/x
  3. Step 3: Cross multiply
    46,664.20x = 64,378.20 × 28,728.04
  4. Step 4: Simplify right side
    46,664.20x = 1,849,459,504.73
  5. Step 5: Solve for x
    x = 1,849,459,504.73/46,664.20
  6. Step 6: Final answer
    x = 39,633.37

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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.