Home / 33,861.12-46,728.48-19,723.68

Finding the Fourth Proportional to 33,861.12, 46,728.48 and 19,723.68

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Solution

The fourth proportional to 33,861.12, 46,728.48 and 19,723.68 is: 27,218.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,861.12 : 46,728.48 = 19,723.68 : x
  2. Step 2: Convert to fraction form
    33,861.12/46,728.48 = 19,723.68/x
  3. Step 3: Cross multiply
    33,861.12x = 46,728.48 × 19,723.68
  4. Step 4: Simplify right side
    33,861.12x = 921,657,586.41
  5. Step 5: Solve for x
    x = 921,657,586.41/33,861.12
  6. Step 6: Final answer
    x = 27,218.76

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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.