Home / 33,867.32-46,721.76-20,429.96

Finding the Fourth Proportional to 33,867.32, 46,721.76 and 20,429.96

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Solution

The fourth proportional to 33,867.32, 46,721.76 and 20,429.96 is: 28,184.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,867.32 : 46,721.76 = 20,429.96 : x
  2. Step 2: Convert to fraction form
    33,867.32/46,721.76 = 20,429.96/x
  3. Step 3: Cross multiply
    33,867.32x = 46,721.76 × 20,429.96
  4. Step 4: Simplify right side
    33,867.32x = 954,523,687.93
  5. Step 5: Solve for x
    x = 954,523,687.93/33,867.32
  6. Step 6: Final answer
    x = 28,184.21

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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.