Home / 35,959.32-53,919.99-19,101.78

Finding the Fourth Proportional to 35,959.32, 53,919.99 and 19,101.78

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Solution

The fourth proportional to 35,959.32, 53,919.99 and 19,101.78 is: 28,642.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,959.32 : 53,919.99 = 19,101.78 : x
  2. Step 2: Convert to fraction form
    35,959.32/53,919.99 = 19,101.78/x
  3. Step 3: Cross multiply
    35,959.32x = 53,919.99 × 19,101.78
  4. Step 4: Simplify right side
    35,959.32x = 1,029,967,786.58
  5. Step 5: Solve for x
    x = 1,029,967,786.58/35,959.32
  6. Step 6: Final answer
    x = 28,642.58

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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.