Home / 33,931.85-46,818.96-18,821.26

Finding the Fourth Proportional to 33,931.85, 46,818.96 and 18,821.26

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Solution

The fourth proportional to 33,931.85, 46,818.96 and 18,821.26 is: 25,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,931.85 : 46,818.96 = 18,821.26 : x
  2. Step 2: Convert to fraction form
    33,931.85/46,818.96 = 18,821.26/x
  3. Step 3: Cross multiply
    33,931.85x = 46,818.96 × 18,821.26
  4. Step 4: Simplify right side
    33,931.85x = 881,191,912.90
  5. Step 5: Solve for x
    x = 881,191,912.90/33,931.85
  6. Step 6: Final answer
    x = 25,969.47

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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.