Home / 33,075.96-45,622.62-20,506.92

Finding the Fourth Proportional to 33,075.96, 45,622.62 and 20,506.92

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Solution

The fourth proportional to 33,075.96, 45,622.62 and 20,506.92 is: 28,285.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,075.96 : 45,622.62 = 20,506.92 : x
  2. Step 2: Convert to fraction form
    33,075.96/45,622.62 = 20,506.92/x
  3. Step 3: Cross multiply
    33,075.96x = 45,622.62 × 20,506.92
  4. Step 4: Simplify right side
    33,075.96x = 935,579,418.53
  5. Step 5: Solve for x
    x = 935,579,418.53/33,075.96
  6. Step 6: Final answer
    x = 28,285.78

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Double scale
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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.