Home / 35,749.10-49,339.68-19,838.66

Finding the Fourth Proportional to 35,749.10, 49,339.68 and 19,838.66

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Solution

The fourth proportional to 35,749.10, 49,339.68 and 19,838.66 is: 27,380.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,749.10 : 49,339.68 = 19,838.66 : x
  2. Step 2: Convert to fraction form
    35,749.10/49,339.68 = 19,838.66/x
  3. Step 3: Cross multiply
    35,749.10x = 49,339.68 × 19,838.66
  4. Step 4: Simplify right side
    35,749.10x = 978,833,136.03
  5. Step 5: Solve for x
    x = 978,833,136.03/35,749.10
  6. Step 6: Final answer
    x = 27,380.64

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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.