Home / 35,078.69-48,407.79-19,163.21

Finding the Fourth Proportional to 35,078.69, 48,407.79 and 19,163.21

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Solution

The fourth proportional to 35,078.69, 48,407.79 and 19,163.21 is: 26,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,078.69 : 48,407.79 = 19,163.21 : x
  2. Step 2: Convert to fraction form
    35,078.69/48,407.79 = 19,163.21/x
  3. Step 3: Cross multiply
    35,078.69x = 48,407.79 × 19,163.21
  4. Step 4: Simplify right side
    35,078.69x = 927,648,403.37
  5. Step 5: Solve for x
    x = 927,648,403.37/35,078.69
  6. Step 6: Final answer
    x = 26,444.79

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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.