Home / 30,627.63-42,263.73-17,200.89

Finding the Fourth Proportional to 30,627.63, 42,263.73 and 17,200.89

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Solution

The fourth proportional to 30,627.63, 42,263.73 and 17,200.89 is: 23,735.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,627.63 : 42,263.73 = 17,200.89 : x
  2. Step 2: Convert to fraction form
    30,627.63/42,263.73 = 17,200.89/x
  3. Step 3: Cross multiply
    30,627.63x = 42,263.73 × 17,200.89
  4. Step 4: Simplify right side
    30,627.63x = 726,973,770.72
  5. Step 5: Solve for x
    x = 726,973,770.72/30,627.63
  6. Step 6: Final answer
    x = 23,735.88

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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.