Home / 46,491.78-69,738.16-18,418.67

Finding the Fourth Proportional to 46,491.78, 69,738.16 and 18,418.67

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Solution

The fourth proportional to 46,491.78, 69,738.16 and 18,418.67 is: 27,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,491.78 : 69,738.16 = 18,418.67 : x
  2. Step 2: Convert to fraction form
    46,491.78/69,738.16 = 18,418.67/x
  3. Step 3: Cross multiply
    46,491.78x = 69,738.16 × 18,418.67
  4. Step 4: Simplify right side
    46,491.78x = 1,284,484,155.45
  5. Step 5: Solve for x
    x = 1,284,484,155.45/46,491.78
  6. Step 6: Final answer
    x = 27,628.20

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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.