Home / 35,703.26-49,269.74-19,787.57

Finding the Fourth Proportional to 35,703.26, 49,269.74 and 19,787.57

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Solution

The fourth proportional to 35,703.26, 49,269.74 and 19,787.57 is: 27,306.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,703.26 : 49,269.74 = 19,787.57 : x
  2. Step 2: Convert to fraction form
    35,703.26/49,269.74 = 19,787.57/x
  3. Step 3: Cross multiply
    35,703.26x = 49,269.74 × 19,787.57
  4. Step 4: Simplify right side
    35,703.26x = 974,928,083.85
  5. Step 5: Solve for x
    x = 974,928,083.85/35,703.26
  6. Step 6: Final answer
    x = 27,306.42

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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.