Home / 35,578.74-49,100.56-20,473.70

Finding the Fourth Proportional to 35,578.74, 49,100.56 and 20,473.70

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Solution

The fourth proportional to 35,578.74, 49,100.56 and 20,473.70 is: 28,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,578.74 : 49,100.56 = 20,473.70 : x
  2. Step 2: Convert to fraction form
    35,578.74/49,100.56 = 20,473.70/x
  3. Step 3: Cross multiply
    35,578.74x = 49,100.56 × 20,473.70
  4. Step 4: Simplify right side
    35,578.74x = 1,005,270,135.27
  5. Step 5: Solve for x
    x = 1,005,270,135.27/35,578.74
  6. Step 6: Final answer
    x = 28,254.80

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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.