Home / 30,051.58-41,469.90-16,439.40

Finding the Fourth Proportional to 30,051.58, 41,469.90 and 16,439.40

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Solution

The fourth proportional to 30,051.58, 41,469.90 and 16,439.40 is: 22,685.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,051.58 : 41,469.90 = 16,439.40 : x
  2. Step 2: Convert to fraction form
    30,051.58/41,469.90 = 16,439.40/x
  3. Step 3: Cross multiply
    30,051.58x = 41,469.90 × 16,439.40
  4. Step 4: Simplify right side
    30,051.58x = 681,740,274.06
  5. Step 5: Solve for x
    x = 681,740,274.06/30,051.58
  6. Step 6: Final answer
    x = 22,685.67

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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.