Home / 33,780.04-46,616.44-18,672.72

Finding the Fourth Proportional to 33,780.04, 46,616.44 and 18,672.72

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Solution

The fourth proportional to 33,780.04, 46,616.44 and 18,672.72 is: 25,768.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,780.04 : 46,616.44 = 18,672.72 : x
  2. Step 2: Convert to fraction form
    33,780.04/46,616.44 = 18,672.72/x
  3. Step 3: Cross multiply
    33,780.04x = 46,616.44 × 18,672.72
  4. Step 4: Simplify right side
    33,780.04x = 870,455,731.52
  5. Step 5: Solve for x
    x = 870,455,731.52/33,780.04
  6. Step 6: Final answer
    x = 25,768.35

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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.