Home / 53,519.46-80,218.44-18,430.26

Finding the Fourth Proportional to 53,519.46, 80,218.44 and 18,430.26

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Solution

The fourth proportional to 53,519.46, 80,218.44 and 18,430.26 is: 27,624.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,519.46 : 80,218.44 = 18,430.26 : x
  2. Step 2: Convert to fraction form
    53,519.46/80,218.44 = 18,430.26/x
  3. Step 3: Cross multiply
    53,519.46x = 80,218.44 × 18,430.26
  4. Step 4: Simplify right side
    53,519.46x = 1,478,446,705.99
  5. Step 5: Solve for x
    x = 1,478,446,705.99/53,519.46
  6. Step 6: Final answer
    x = 27,624.47

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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.