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Finding the Fourth Proportional to 33,937.53, 46,835.06 and 20,506.21

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Solution

The fourth proportional to 33,937.53, 46,835.06 and 20,506.21 is: 28,299.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,937.53 : 46,835.06 = 20,506.21 : x
  2. Step 2: Convert to fraction form
    33,937.53/46,835.06 = 20,506.21/x
  3. Step 3: Cross multiply
    33,937.53x = 46,835.06 × 20,506.21
  4. Step 4: Simplify right side
    33,937.53x = 960,409,734.90
  5. Step 5: Solve for x
    x = 960,409,734.90/33,937.53
  6. Step 6: Final answer
    x = 28,299.34

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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.