Home / 43,305.64-59,677.78-28,949.32

Finding the Fourth Proportional to 43,305.64, 59,677.78 and 28,949.32

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Solution

The fourth proportional to 43,305.64, 59,677.78 and 28,949.32 is: 39,893.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,305.64 : 59,677.78 = 28,949.32 : x
  2. Step 2: Convert to fraction form
    43,305.64/59,677.78 = 28,949.32/x
  3. Step 3: Cross multiply
    43,305.64x = 59,677.78 × 28,949.32
  4. Step 4: Simplify right side
    43,305.64x = 1,727,631,150.11
  5. Step 5: Solve for x
    x = 1,727,631,150.11/43,305.64
  6. Step 6: Final answer
    x = 39,893.91

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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.