Home / 30,668.46-42,323.19-17,056.62

Finding the Fourth Proportional to 30,668.46, 42,323.19 and 17,056.62

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Solution

The fourth proportional to 30,668.46, 42,323.19 and 17,056.62 is: 23,538.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,668.46 : 42,323.19 = 17,056.62 : x
  2. Step 2: Convert to fraction form
    30,668.46/42,323.19 = 17,056.62/x
  3. Step 3: Cross multiply
    30,668.46x = 42,323.19 × 17,056.62
  4. Step 4: Simplify right side
    30,668.46x = 721,890,569.02
  5. Step 5: Solve for x
    x = 721,890,569.02/30,668.46
  6. Step 6: Final answer
    x = 23,538.53

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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.