Home / 49,476.64-74,039.77-30,765.48

Finding the Fourth Proportional to 49,476.64, 74,039.77 and 30,765.48

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Solution

The fourth proportional to 49,476.64, 74,039.77 and 30,765.48 is: 46,039.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,476.64 : 74,039.77 = 30,765.48 : x
  2. Step 2: Convert to fraction form
    49,476.64/74,039.77 = 30,765.48/x
  3. Step 3: Cross multiply
    49,476.64x = 74,039.77 × 30,765.48
  4. Step 4: Simplify right side
    49,476.64x = 2,277,869,206.19
  5. Step 5: Solve for x
    x = 2,277,869,206.19/49,476.64
  6. Step 6: Final answer
    x = 46,039.29

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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.