Home / 29,374.69-40,523.64-20,443.49

Finding the Fourth Proportional to 29,374.69, 40,523.64 and 20,443.49

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Solution

The fourth proportional to 29,374.69, 40,523.64 and 20,443.49 is: 28,202.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,374.69 : 40,523.64 = 20,443.49 : x
  2. Step 2: Convert to fraction form
    29,374.69/40,523.64 = 20,443.49/x
  3. Step 3: Cross multiply
    29,374.69x = 40,523.64 × 20,443.49
  4. Step 4: Simplify right side
    29,374.69x = 828,444,629.10
  5. Step 5: Solve for x
    x = 828,444,629.10/29,374.69
  6. Step 6: Final answer
    x = 28,202.67

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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.