Home / 39,003.83-53,825.21-21,098.83

Finding the Fourth Proportional to 39,003.83, 53,825.21 and 21,098.83

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Solution

The fourth proportional to 39,003.83, 53,825.21 and 21,098.83 is: 29,116.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,003.83 : 53,825.21 = 21,098.83 : x
  2. Step 2: Convert to fraction form
    39,003.83/53,825.21 = 21,098.83/x
  3. Step 3: Cross multiply
    39,003.83x = 53,825.21 × 21,098.83
  4. Step 4: Simplify right side
    39,003.83x = 1,135,648,895.49
  5. Step 5: Solve for x
    x = 1,135,648,895.49/39,003.83
  6. Step 6: Final answer
    x = 29,116.34

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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.