Home / 53,477.26-80,217.03-20,212.99

Finding the Fourth Proportional to 53,477.26, 80,217.03 and 20,212.99

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Solution

The fourth proportional to 53,477.26, 80,217.03 and 20,212.99 is: 30,319.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,477.26 : 80,217.03 = 20,212.99 : x
  2. Step 2: Convert to fraction form
    53,477.26/80,217.03 = 20,212.99/x
  3. Step 3: Cross multiply
    53,477.26x = 80,217.03 × 20,212.99
  4. Step 4: Simplify right side
    53,477.26x = 1,621,425,900.48
  5. Step 5: Solve for x
    x = 1,621,425,900.48/53,477.26
  6. Step 6: Final answer
    x = 30,319.91

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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.