Home / 33,396.94-46,040.28-20,642.91

Finding the Fourth Proportional to 33,396.94, 46,040.28 and 20,642.91

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Solution

The fourth proportional to 33,396.94, 46,040.28 and 20,642.91 is: 28,457.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,396.94 : 46,040.28 = 20,642.91 : x
  2. Step 2: Convert to fraction form
    33,396.94/46,040.28 = 20,642.91/x
  3. Step 3: Cross multiply
    33,396.94x = 46,040.28 × 20,642.91
  4. Step 4: Simplify right side
    33,396.94x = 950,405,356.41
  5. Step 5: Solve for x
    x = 950,405,356.41/33,396.94
  6. Step 6: Final answer
    x = 28,457.86

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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.