Home / 35,281.57-48,689.49-20,176.69

Finding the Fourth Proportional to 35,281.57, 48,689.49 and 20,176.69

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Solution

The fourth proportional to 35,281.57, 48,689.49 and 20,176.69 is: 27,844.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,281.57 : 48,689.49 = 20,176.69 : x
  2. Step 2: Convert to fraction form
    35,281.57/48,689.49 = 20,176.69/x
  3. Step 3: Cross multiply
    35,281.57x = 48,689.49 × 20,176.69
  4. Step 4: Simplify right side
    35,281.57x = 982,392,745.99
  5. Step 5: Solve for x
    x = 982,392,745.99/35,281.57
  6. Step 6: Final answer
    x = 27,844.36

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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.