Home / 33,353.76-46,028.18-20,778.50

Finding the Fourth Proportional to 33,353.76, 46,028.18 and 20,778.50

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Solution

The fourth proportional to 33,353.76, 46,028.18 and 20,778.50 is: 28,674.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,353.76 : 46,028.18 = 20,778.50 : x
  2. Step 2: Convert to fraction form
    33,353.76/46,028.18 = 20,778.50/x
  3. Step 3: Cross multiply
    33,353.76x = 46,028.18 × 20,778.50
  4. Step 4: Simplify right side
    33,353.76x = 956,396,538.13
  5. Step 5: Solve for x
    x = 956,396,538.13/33,353.76
  6. Step 6: Final answer
    x = 28,674.32

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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.