Home / 33,221.08-45,854.10-19,083.40

Finding the Fourth Proportional to 33,221.08, 45,854.10 and 19,083.40

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Solution

The fourth proportional to 33,221.08, 45,854.10 and 19,083.40 is: 26,340.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,221.08 : 45,854.10 = 19,083.40 : x
  2. Step 2: Convert to fraction form
    33,221.08/45,854.10 = 19,083.40/x
  3. Step 3: Cross multiply
    33,221.08x = 45,854.10 × 19,083.40
  4. Step 4: Simplify right side
    33,221.08x = 875,052,131.94
  5. Step 5: Solve for x
    x = 875,052,131.94/33,221.08
  6. Step 6: Final answer
    x = 26,340.27

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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.