Home / 30,393.12-41,946.48-17,819.04

Finding the Fourth Proportional to 30,393.12, 41,946.48 and 17,819.04

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Solution

The fourth proportional to 30,393.12, 41,946.48 and 17,819.04 is: 24,592.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,393.12 : 41,946.48 = 17,819.04 : x
  2. Step 2: Convert to fraction form
    30,393.12/41,946.48 = 17,819.04/x
  3. Step 3: Cross multiply
    30,393.12x = 41,946.48 × 17,819.04
  4. Step 4: Simplify right side
    30,393.12x = 747,446,004.98
  5. Step 5: Solve for x
    x = 747,446,004.98/30,393.12
  6. Step 6: Final answer
    x = 24,592.61

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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.