Home / 33,420.44-46,119.49-18,312.78

Finding the Fourth Proportional to 33,420.44, 46,119.49 and 18,312.78

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Solution

The fourth proportional to 33,420.44, 46,119.49 and 18,312.78 is: 25,271.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,420.44 : 46,119.49 = 18,312.78 : x
  2. Step 2: Convert to fraction form
    33,420.44/46,119.49 = 18,312.78/x
  3. Step 3: Cross multiply
    33,420.44x = 46,119.49 × 18,312.78
  4. Step 4: Simplify right side
    33,420.44x = 844,576,074.08
  5. Step 5: Solve for x
    x = 844,576,074.08/33,420.44
  6. Step 6: Final answer
    x = 25,271.24

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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.