Home / 30,654.74-42,293.34-17,224.12

Finding the Fourth Proportional to 30,654.74, 42,293.34 and 17,224.12

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Solution

The fourth proportional to 30,654.74, 42,293.34 and 17,224.12 is: 23,763.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,654.74 : 42,293.34 = 17,224.12 : x
  2. Step 2: Convert to fraction form
    30,654.74/42,293.34 = 17,224.12/x
  3. Step 3: Cross multiply
    30,654.74x = 42,293.34 × 17,224.12
  4. Step 4: Simplify right side
    30,654.74x = 728,465,563.36
  5. Step 5: Solve for x
    x = 728,465,563.36/30,654.74
  6. Step 6: Final answer
    x = 23,763.55

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Double scale
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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.