Home / 38,559.19-53,211.31-21,563.23

Finding the Fourth Proportional to 38,559.19, 53,211.31 and 21,563.23

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Solution

The fourth proportional to 38,559.19, 53,211.31 and 21,563.23 is: 29,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,559.19 : 53,211.31 = 21,563.23 : x
  2. Step 2: Convert to fraction form
    38,559.19/53,211.31 = 21,563.23/x
  3. Step 3: Cross multiply
    38,559.19x = 53,211.31 × 21,563.23
  4. Step 4: Simplify right side
    38,559.19x = 1,147,407,716.13
  5. Step 5: Solve for x
    x = 1,147,407,716.13/38,559.19
  6. Step 6: Final answer
    x = 29,757.05

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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.