Home / 33,580.18-46,325.12-20,128.08

Finding the Fourth Proportional to 33,580.18, 46,325.12 and 20,128.08

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Solution

The fourth proportional to 33,580.18, 46,325.12 and 20,128.08 is: 27,767.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,580.18 : 46,325.12 = 20,128.08 : x
  2. Step 2: Convert to fraction form
    33,580.18/46,325.12 = 20,128.08/x
  3. Step 3: Cross multiply
    33,580.18x = 46,325.12 × 20,128.08
  4. Step 4: Simplify right side
    33,580.18x = 932,435,721.37
  5. Step 5: Solve for x
    x = 932,435,721.37/33,580.18
  6. Step 6: Final answer
    x = 27,767.44

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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.