Home / 30,174.35-41,643.20-16,748.19

Finding the Fourth Proportional to 30,174.35, 41,643.20 and 16,748.19

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Solution

The fourth proportional to 30,174.35, 41,643.20 and 16,748.19 is: 23,113.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,174.35 : 41,643.20 = 16,748.19 : x
  2. Step 2: Convert to fraction form
    30,174.35/41,643.20 = 16,748.19/x
  3. Step 3: Cross multiply
    30,174.35x = 41,643.20 × 16,748.19
  4. Step 4: Simplify right side
    30,174.35x = 697,448,267.68
  5. Step 5: Solve for x
    x = 697,448,267.68/30,174.35
  6. Step 6: Final answer
    x = 23,113.95

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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.