Home / 38,559.32-53,199.76-21,561.27

Finding the Fourth Proportional to 38,559.32, 53,199.76 and 21,561.27

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Solution

The fourth proportional to 38,559.32, 53,199.76 and 21,561.27 is: 29,747.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,559.32 : 53,199.76 = 21,561.27 : x
  2. Step 2: Convert to fraction form
    38,559.32/53,199.76 = 21,561.27/x
  3. Step 3: Cross multiply
    38,559.32x = 53,199.76 × 21,561.27
  4. Step 4: Simplify right side
    38,559.32x = 1,147,054,536.21
  5. Step 5: Solve for x
    x = 1,147,054,536.21/38,559.32
  6. Step 6: Final answer
    x = 29,747.79

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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.