Home / 38,559.34-53,211.52-21,563.39

Finding the Fourth Proportional to 38,559.34, 53,211.52 and 21,563.39

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Solution

The fourth proportional to 38,559.34, 53,211.52 and 21,563.39 is: 29,757.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,559.34 : 53,211.52 = 21,563.39 : x
  2. Step 2: Convert to fraction form
    38,559.34/53,211.52 = 21,563.39/x
  3. Step 3: Cross multiply
    38,559.34x = 53,211.52 × 21,563.39
  4. Step 4: Simplify right side
    38,559.34x = 1,147,420,918.24
  5. Step 5: Solve for x
    x = 1,147,420,918.24/38,559.34
  6. Step 6: Final answer
    x = 29,757.27

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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.