Home / 33,990.78-46,897.52-20,552.28

Finding the Fourth Proportional to 33,990.78, 46,897.52 and 20,552.28

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Solution

The fourth proportional to 33,990.78, 46,897.52 and 20,552.28 is: 28,356.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,990.78 : 46,897.52 = 20,552.28 : x
  2. Step 2: Convert to fraction form
    33,990.78/46,897.52 = 20,552.28/x
  3. Step 3: Cross multiply
    33,990.78x = 46,897.52 × 20,552.28
  4. Step 4: Simplify right side
    33,990.78x = 963,850,962.35
  5. Step 5: Solve for x
    x = 963,850,962.35/33,990.78
  6. Step 6: Final answer
    x = 28,356.25

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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.