Home / 30,654.77-42,304.34-17,225.22

Finding the Fourth Proportional to 30,654.77, 42,304.34 and 17,225.22

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Solution

The fourth proportional to 30,654.77, 42,304.34 and 17,225.22 is: 23,771.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,654.77 : 42,304.34 = 17,225.22 : x
  2. Step 2: Convert to fraction form
    30,654.77/42,304.34 = 17,225.22/x
  3. Step 3: Cross multiply
    30,654.77x = 42,304.34 × 17,225.22
  4. Step 4: Simplify right side
    30,654.77x = 728,701,477.33
  5. Step 5: Solve for x
    x = 728,701,477.33/30,654.77
  6. Step 6: Final answer
    x = 23,771.23

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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.