Home / 33,206.30-45,804.22-20,279.51

Finding the Fourth Proportional to 33,206.30, 45,804.22 and 20,279.51

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Solution

The fourth proportional to 33,206.30, 45,804.22 and 20,279.51 is: 27,973.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,206.30 : 45,804.22 = 20,279.51 : x
  2. Step 2: Convert to fraction form
    33,206.30/45,804.22 = 20,279.51/x
  3. Step 3: Cross multiply
    33,206.30x = 45,804.22 × 20,279.51
  4. Step 4: Simplify right side
    33,206.30x = 928,887,137.53
  5. Step 5: Solve for x
    x = 928,887,137.53/33,206.30
  6. Step 6: Final answer
    x = 27,973.22

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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.