Home / 35,371.78-48,816.28-20,269.33

Finding the Fourth Proportional to 35,371.78, 48,816.28 and 20,269.33

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Solution

The fourth proportional to 35,371.78, 48,816.28 and 20,269.33 is: 27,973.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,371.78 : 48,816.28 = 20,269.33 : x
  2. Step 2: Convert to fraction form
    35,371.78/48,816.28 = 20,269.33/x
  3. Step 3: Cross multiply
    35,371.78x = 48,816.28 × 20,269.33
  4. Step 4: Simplify right side
    35,371.78x = 989,473,288.69
  5. Step 5: Solve for x
    x = 989,473,288.69/35,371.78
  6. Step 6: Final answer
    x = 27,973.52

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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.