Home / 33,938.64-46,835.31-19,788.75

Finding the Fourth Proportional to 33,938.64, 46,835.31 and 19,788.75

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Solution

The fourth proportional to 33,938.64, 46,835.31 and 19,788.75 is: 27,308.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,938.64 : 46,835.31 = 19,788.75 : x
  2. Step 2: Convert to fraction form
    33,938.64/46,835.31 = 19,788.75/x
  3. Step 3: Cross multiply
    33,938.64x = 46,835.31 × 19,788.75
  4. Step 4: Simplify right side
    33,938.64x = 926,812,240.76
  5. Step 5: Solve for x
    x = 926,812,240.76/33,938.64
  6. Step 6: Final answer
    x = 27,308.47

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1.5x scale

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.