Home / 35,709.72-49,278.63-19,794.03

Finding the Fourth Proportional to 35,709.72, 49,278.63 and 19,794.03

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Solution

The fourth proportional to 35,709.72, 49,278.63 and 19,794.03 is: 27,315.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,709.72 : 49,278.63 = 19,794.03 : x
  2. Step 2: Convert to fraction form
    35,709.72/49,278.63 = 19,794.03/x
  3. Step 3: Cross multiply
    35,709.72x = 49,278.63 × 19,794.03
  4. Step 4: Simplify right side
    35,709.72x = 975,422,680.58
  5. Step 5: Solve for x
    x = 975,422,680.58/35,709.72
  6. Step 6: Final answer
    x = 27,315.33

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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.