Home / 29,126.24-40,181.60-18,362.62

Finding the Fourth Proportional to 29,126.24, 40,181.60 and 18,362.62

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Solution

The fourth proportional to 29,126.24, 40,181.60 and 18,362.62 is: 25,332.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,126.24 : 40,181.60 = 18,362.62 : x
  2. Step 2: Convert to fraction form
    29,126.24/40,181.60 = 18,362.62/x
  3. Step 3: Cross multiply
    29,126.24x = 40,181.60 × 18,362.62
  4. Step 4: Simplify right side
    29,126.24x = 737,839,451.79
  5. Step 5: Solve for x
    x = 737,839,451.79/29,126.24
  6. Step 6: Final answer
    x = 25,332.46

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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.