Home / 33,867.75-46,739.18-20,438.77

Finding the Fourth Proportional to 33,867.75, 46,739.18 and 20,438.77

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Solution

The fourth proportional to 33,867.75, 46,739.18 and 20,438.77 is: 28,206.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,867.75 : 46,739.18 = 20,438.77 : x
  2. Step 2: Convert to fraction form
    33,867.75/46,739.18 = 20,438.77/x
  3. Step 3: Cross multiply
    33,867.75x = 46,739.18 × 20,438.77
  4. Step 4: Simplify right side
    33,867.75x = 955,291,350.01
  5. Step 5: Solve for x
    x = 955,291,350.01/33,867.75
  6. Step 6: Final answer
    x = 28,206.52

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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.