Home / 30,065.80-41,484.90-17,143.24

Finding the Fourth Proportional to 30,065.80, 41,484.90 and 17,143.24

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Solution

The fourth proportional to 30,065.80, 41,484.90 and 17,143.24 is: 23,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,065.80 : 41,484.90 = 17,143.24 : x
  2. Step 2: Convert to fraction form
    30,065.80/41,484.90 = 17,143.24/x
  3. Step 3: Cross multiply
    30,065.80x = 41,484.90 × 17,143.24
  4. Step 4: Simplify right side
    30,065.80x = 711,185,597.08
  5. Step 5: Solve for x
    x = 711,185,597.08/30,065.80
  6. Step 6: Final answer
    x = 23,654.30

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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.