Home / 45,068.11-67,603.94-13,478.67

Finding the Fourth Proportional to 45,068.11, 67,603.94 and 13,478.67

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Solution

The fourth proportional to 45,068.11, 67,603.94 and 13,478.67 is: 20,218.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,068.11 : 67,603.94 = 13,478.67 : x
  2. Step 2: Convert to fraction form
    45,068.11/67,603.94 = 13,478.67/x
  3. Step 3: Cross multiply
    45,068.11x = 67,603.94 × 13,478.67
  4. Step 4: Simplify right side
    45,068.11x = 911,211,181.11
  5. Step 5: Solve for x
    x = 911,211,181.11/45,068.11
  6. Step 6: Final answer
    x = 20,218.54

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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.