Home / 29,148.21-40,219.52-16,399.62

Finding the Fourth Proportional to 29,148.21, 40,219.52 and 16,399.62

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Solution

The fourth proportional to 29,148.21, 40,219.52 and 16,399.62 is: 22,628.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,148.21 : 40,219.52 = 16,399.62 : x
  2. Step 2: Convert to fraction form
    29,148.21/40,219.52 = 16,399.62/x
  3. Step 3: Cross multiply
    29,148.21x = 40,219.52 × 16,399.62
  4. Step 4: Simplify right side
    29,148.21x = 659,584,762.58
  5. Step 5: Solve for x
    x = 659,584,762.58/29,148.21
  6. Step 6: Final answer
    x = 22,628.65

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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.