Home / 30,968.70-42,735.33-17,539.62

Finding the Fourth Proportional to 30,968.70, 42,735.33 and 17,539.62

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Solution

The fourth proportional to 30,968.70, 42,735.33 and 17,539.62 is: 24,203.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,968.70 : 42,735.33 = 17,539.62 : x
  2. Step 2: Convert to fraction form
    30,968.70/42,735.33 = 17,539.62/x
  3. Step 3: Cross multiply
    30,968.70x = 42,735.33 × 17,539.62
  4. Step 4: Simplify right side
    30,968.70x = 749,561,448.77
  5. Step 5: Solve for x
    x = 749,561,448.77/30,968.70
  6. Step 6: Final answer
    x = 24,203.84

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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.