Home / 30,193.63-45,266.61-19,076.88

Finding the Fourth Proportional to 30,193.63, 45,266.61 and 19,076.88

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Solution

The fourth proportional to 30,193.63, 45,266.61 and 19,076.88 is: 28,600.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,193.63 : 45,266.61 = 19,076.88 : x
  2. Step 2: Convert to fraction form
    30,193.63/45,266.61 = 19,076.88/x
  3. Step 3: Cross multiply
    30,193.63x = 45,266.61 × 19,076.88
  4. Step 4: Simplify right side
    30,193.63x = 863,545,928.26
  5. Step 5: Solve for x
    x = 863,545,928.26/30,193.63
  6. Step 6: Final answer
    x = 28,600.27

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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.