Home / 46,492.78-69,739.66-18,419.67

Finding the Fourth Proportional to 46,492.78, 69,739.66 and 18,419.67

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Solution

The fourth proportional to 46,492.78, 69,739.66 and 18,419.67 is: 27,629.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,492.78 : 69,739.66 = 18,419.67 : x
  2. Step 2: Convert to fraction form
    46,492.78/69,739.66 = 18,419.67/x
  3. Step 3: Cross multiply
    46,492.78x = 69,739.66 × 18,419.67
  4. Step 4: Simplify right side
    46,492.78x = 1,284,581,523.11
  5. Step 5: Solve for x
    x = 1,284,581,523.11/46,492.78
  6. Step 6: Final answer
    x = 27,629.70

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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.