Home / 30,166.06-45,241.50-12,401.67

Finding the Fourth Proportional to 30,166.06, 45,241.50 and 12,401.67

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Solution

The fourth proportional to 30,166.06, 45,241.50 and 12,401.67 is: 18,599.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,166.06 : 45,241.50 = 12,401.67 : x
  2. Step 2: Convert to fraction form
    30,166.06/45,241.50 = 12,401.67/x
  3. Step 3: Cross multiply
    30,166.06x = 45,241.50 × 12,401.67
  4. Step 4: Simplify right side
    30,166.06x = 561,070,091.30
  5. Step 5: Solve for x
    x = 561,070,091.30/30,166.06
  6. Step 6: Final answer
    x = 18,599.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.