Home / 33,531.95-46,260.64-20,780.93

Finding the Fourth Proportional to 33,531.95, 46,260.64 and 20,780.93

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Solution

The fourth proportional to 33,531.95, 46,260.64 and 20,780.93 is: 28,669.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,531.95 : 46,260.64 = 20,780.93 : x
  2. Step 2: Convert to fraction form
    33,531.95/46,260.64 = 20,780.93/x
  3. Step 3: Cross multiply
    33,531.95x = 46,260.64 × 20,780.93
  4. Step 4: Simplify right side
    33,531.95x = 961,339,121.60
  5. Step 5: Solve for x
    x = 961,339,121.60/33,531.95
  6. Step 6: Final answer
    x = 28,669.35

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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.