Home / 81,743.04-122,548.37-25,554.24

Finding the Fourth Proportional to 81,743.04, 122,548.37 and 25,554.24

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Solution

The fourth proportional to 81,743.04, 122,548.37 and 25,554.24 is: 38,310.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,743.04 : 122,548.37 = 25,554.24 : x
  2. Step 2: Convert to fraction form
    81,743.04/122,548.37 = 25,554.24/x
  3. Step 3: Cross multiply
    81,743.04x = 122,548.37 × 25,554.24
  4. Step 4: Simplify right side
    81,743.04x = 3,131,630,330.82
  5. Step 5: Solve for x
    x = 3,131,630,330.82/81,743.04
  6. Step 6: Final answer
    x = 38,310.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.