Home / 33,938.16-46,834.52-20,690.16

Finding the Fourth Proportional to 33,938.16, 46,834.52 and 20,690.16

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Solution

The fourth proportional to 33,938.16, 46,834.52 and 20,690.16 is: 28,552.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,938.16 : 46,834.52 = 20,690.16 : x
  2. Step 2: Convert to fraction form
    33,938.16/46,834.52 = 20,690.16/x
  3. Step 3: Cross multiply
    33,938.16x = 46,834.52 × 20,690.16
  4. Step 4: Simplify right side
    33,938.16x = 969,013,712.32
  5. Step 5: Solve for x
    x = 969,013,712.32/33,938.16
  6. Step 6: Final answer
    x = 28,552.33

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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.