Home / 38,559.15-53,211.25-21,563.20

Finding the Fourth Proportional to 38,559.15, 53,211.25 and 21,563.20

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Solution

The fourth proportional to 38,559.15, 53,211.25 and 21,563.20 is: 29,757.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,559.15 : 53,211.25 = 21,563.20 : x
  2. Step 2: Convert to fraction form
    38,559.15/53,211.25 = 21,563.20/x
  3. Step 3: Cross multiply
    38,559.15x = 53,211.25 × 21,563.20
  4. Step 4: Simplify right side
    38,559.15x = 1,147,404,719.93
  5. Step 5: Solve for x
    x = 1,147,404,719.93/38,559.15
  6. Step 6: Final answer
    x = 29,757.01

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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.