Home / 35,647.36-49,191.81-19,730.86

Finding the Fourth Proportional to 35,647.36, 49,191.81 and 19,730.86

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Solution

The fourth proportional to 35,647.36, 49,191.81 and 19,730.86 is: 27,227.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,647.36 : 49,191.81 = 19,730.86 : x
  2. Step 2: Convert to fraction form
    35,647.36/49,191.81 = 19,730.86/x
  3. Step 3: Cross multiply
    35,647.36x = 49,191.81 × 19,730.86
  4. Step 4: Simplify right side
    35,647.36x = 970,596,716.26
  5. Step 5: Solve for x
    x = 970,596,716.26/35,647.36
  6. Step 6: Final answer
    x = 27,227.73

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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.