Home / 35,253.49-48,648.94-20,145.19

Finding the Fourth Proportional to 35,253.49, 48,648.94 and 20,145.19

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Solution

The fourth proportional to 35,253.49, 48,648.94 and 20,145.19 is: 27,799.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,253.49 : 48,648.94 = 20,145.19 : x
  2. Step 2: Convert to fraction form
    35,253.49/48,648.94 = 20,145.19/x
  3. Step 3: Cross multiply
    35,253.49x = 48,648.94 × 20,145.19
  4. Step 4: Simplify right side
    35,253.49x = 980,042,139.60
  5. Step 5: Solve for x
    x = 980,042,139.60/35,253.49
  6. Step 6: Final answer
    x = 27,799.86

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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.