Home / 35,749.85-49,334.81-19,834.31

Finding the Fourth Proportional to 35,749.85, 49,334.81 and 19,834.31

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Solution

The fourth proportional to 35,749.85, 49,334.81 and 19,834.31 is: 27,371.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,749.85 : 49,334.81 = 19,834.31 : x
  2. Step 2: Convert to fraction form
    35,749.85/49,334.81 = 19,834.31/x
  3. Step 3: Cross multiply
    35,749.85x = 49,334.81 × 19,834.31
  4. Step 4: Simplify right side
    35,749.85x = 978,521,939.50
  5. Step 5: Solve for x
    x = 978,521,939.50/35,749.85
  6. Step 6: Final answer
    x = 27,371.36

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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.