Home / 35,999.45-49,678.28-20,083.49

Finding the Fourth Proportional to 35,999.45, 49,678.28 and 20,083.49

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Solution

The fourth proportional to 35,999.45, 49,678.28 and 20,083.49 is: 27,714.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,999.45 : 49,678.28 = 20,083.49 : x
  2. Step 2: Convert to fraction form
    35,999.45/49,678.28 = 20,083.49/x
  3. Step 3: Cross multiply
    35,999.45x = 49,678.28 × 20,083.49
  4. Step 4: Simplify right side
    35,999.45x = 997,713,239.60
  5. Step 5: Solve for x
    x = 997,713,239.60/35,999.45
  6. Step 6: Final answer
    x = 27,714.68

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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.