Home / 38,723.83-53,441.04-21,733.45

Finding the Fourth Proportional to 38,723.83, 53,441.04 and 21,733.45

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Solution

The fourth proportional to 38,723.83, 53,441.04 and 21,733.45 is: 29,993.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,723.83 : 53,441.04 = 21,733.45 : x
  2. Step 2: Convert to fraction form
    38,723.83/53,441.04 = 21,733.45/x
  3. Step 3: Cross multiply
    38,723.83x = 53,441.04 × 21,733.45
  4. Step 4: Simplify right side
    38,723.83x = 1,161,458,170.79
  5. Step 5: Solve for x
    x = 1,161,458,170.79/38,723.83
  6. Step 6: Final answer
    x = 29,993.37

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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.