Home / 30,423.39-41,984.19-16,994.67

Finding the Fourth Proportional to 30,423.39, 41,984.19 and 16,994.67

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Solution

The fourth proportional to 30,423.39, 41,984.19 and 16,994.67 is: 23,452.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,423.39 : 41,984.19 = 16,994.67 : x
  2. Step 2: Convert to fraction form
    30,423.39/41,984.19 = 16,994.67/x
  3. Step 3: Cross multiply
    30,423.39x = 41,984.19 × 16,994.67
  4. Step 4: Simplify right side
    30,423.39x = 713,507,159.37
  5. Step 5: Solve for x
    x = 713,507,159.37/30,423.39
  6. Step 6: Final answer
    x = 23,452.59

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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.