Home / 30,974.20-46,455.61-14,103.21

Finding the Fourth Proportional to 30,974.20, 46,455.61 and 14,103.21

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Solution

The fourth proportional to 30,974.20, 46,455.61 and 14,103.21 is: 21,152.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,974.20 : 46,455.61 = 14,103.21 : x
  2. Step 2: Convert to fraction form
    30,974.20/46,455.61 = 14,103.21/x
  3. Step 3: Cross multiply
    30,974.20x = 46,455.61 × 14,103.21
  4. Step 4: Simplify right side
    30,974.20x = 655,173,223.51
  5. Step 5: Solve for x
    x = 655,173,223.51/30,974.20
  6. Step 6: Final answer
    x = 21,152.22

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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.