Home / 29,109.56-40,186.47-19,599.45

Finding the Fourth Proportional to 29,109.56, 40,186.47 and 19,599.45

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Solution

The fourth proportional to 29,109.56, 40,186.47 and 19,599.45 is: 27,057.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,109.56 : 40,186.47 = 19,599.45 : x
  2. Step 2: Convert to fraction form
    29,109.56/40,186.47 = 19,599.45/x
  3. Step 3: Cross multiply
    29,109.56x = 40,186.47 × 19,599.45
  4. Step 4: Simplify right side
    29,109.56x = 787,632,709.44
  5. Step 5: Solve for x
    x = 787,632,709.44/29,109.56
  6. Step 6: Final answer
    x = 27,057.53

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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.