Home / 35,329.84-48,758.57-20,219.48

Finding the Fourth Proportional to 35,329.84, 48,758.57 and 20,219.48

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Solution

The fourth proportional to 35,329.84, 48,758.57 and 20,219.48 is: 27,904.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,329.84 : 48,758.57 = 20,219.48 : x
  2. Step 2: Convert to fraction form
    35,329.84/48,758.57 = 20,219.48/x
  3. Step 3: Cross multiply
    35,329.84x = 48,758.57 × 20,219.48
  4. Step 4: Simplify right side
    35,329.84x = 985,872,930.94
  5. Step 5: Solve for x
    x = 985,872,930.94/35,329.84
  6. Step 6: Final answer
    x = 27,904.82

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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.