Home / 30,780.16-46,153.83-15,974.17

Finding the Fourth Proportional to 30,780.16, 46,153.83 and 15,974.17

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Solution

The fourth proportional to 30,780.16, 46,153.83 and 15,974.17 is: 23,952.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,780.16 : 46,153.83 = 15,974.17 : x
  2. Step 2: Convert to fraction form
    30,780.16/46,153.83 = 15,974.17/x
  3. Step 3: Cross multiply
    30,780.16x = 46,153.83 × 15,974.17
  4. Step 4: Simplify right side
    30,780.16x = 737,269,126.57
  5. Step 5: Solve for x
    x = 737,269,126.57/30,780.16
  6. Step 6: Final answer
    x = 23,952.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.