Home / 33,927.88-46,814.40-20,490.10

Finding the Fourth Proportional to 33,927.88, 46,814.40 and 20,490.10

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Solution

The fourth proportional to 33,927.88, 46,814.40 and 20,490.10 is: 28,272.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,927.88 : 46,814.40 = 20,490.10 : x
  2. Step 2: Convert to fraction form
    33,927.88/46,814.40 = 20,490.10/x
  3. Step 3: Cross multiply
    33,927.88x = 46,814.40 × 20,490.10
  4. Step 4: Simplify right side
    33,927.88x = 959,231,737.44
  5. Step 5: Solve for x
    x = 959,231,737.44/33,927.88
  6. Step 6: Final answer
    x = 28,272.67

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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.