Home / 53,585.82-80,378.73-18,525.78

Finding the Fourth Proportional to 53,585.82, 80,378.73 and 18,525.78

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Solution

The fourth proportional to 53,585.82, 80,378.73 and 18,525.78 is: 27,788.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,585.82 : 80,378.73 = 18,525.78 : x
  2. Step 2: Convert to fraction form
    53,585.82/80,378.73 = 18,525.78/x
  3. Step 3: Cross multiply
    53,585.82x = 80,378.73 × 18,525.78
  4. Step 4: Simplify right side
    53,585.82x = 1,489,078,668.66
  5. Step 5: Solve for x
    x = 1,489,078,668.66/53,585.82
  6. Step 6: Final answer
    x = 27,788.67

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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.