Home / 53,534.88-80,307.78-18,474.44

Finding the Fourth Proportional to 53,534.88, 80,307.78 and 18,474.44

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Solution

The fourth proportional to 53,534.88, 80,307.78 and 18,474.44 is: 27,713.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,534.88 : 80,307.78 = 18,474.44 : x
  2. Step 2: Convert to fraction form
    53,534.88/80,307.78 = 18,474.44/x
  3. Step 3: Cross multiply
    53,534.88x = 80,307.78 × 18,474.44
  4. Step 4: Simplify right side
    53,534.88x = 1,483,641,263.14
  5. Step 5: Solve for x
    x = 1,483,641,263.14/53,534.88
  6. Step 6: Final answer
    x = 27,713.54

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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.