Home / 53,309.44-79,947.48-18,240.92

Finding the Fourth Proportional to 53,309.44, 79,947.48 and 18,240.92

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Solution

The fourth proportional to 53,309.44, 79,947.48 and 18,240.92 is: 27,355.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,309.44 : 79,947.48 = 18,240.92 : x
  2. Step 2: Convert to fraction form
    53,309.44/79,947.48 = 18,240.92/x
  3. Step 3: Cross multiply
    53,309.44x = 79,947.48 × 18,240.92
  4. Step 4: Simplify right side
    53,309.44x = 1,458,315,586.88
  5. Step 5: Solve for x
    x = 1,458,315,586.88/53,309.44
  6. Step 6: Final answer
    x = 27,355.67

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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.