Home / 33,709.64-46,499.27-21,780.01

Finding the Fourth Proportional to 33,709.64, 46,499.27 and 21,780.01

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Solution

The fourth proportional to 33,709.64, 46,499.27 and 21,780.01 is: 30,043.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,709.64 : 46,499.27 = 21,780.01 : x
  2. Step 2: Convert to fraction form
    33,709.64/46,499.27 = 21,780.01/x
  3. Step 3: Cross multiply
    33,709.64x = 46,499.27 × 21,780.01
  4. Step 4: Simplify right side
    33,709.64x = 1,012,754,645.60
  5. Step 5: Solve for x
    x = 1,012,754,645.60/33,709.64
  6. Step 6: Final answer
    x = 30,043.47

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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.