Home / 53,863.52-80,814.74-18,808.36

Finding the Fourth Proportional to 53,863.52, 80,814.74 and 18,808.36

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Solution

The fourth proportional to 53,863.52, 80,814.74 and 18,808.36 is: 28,219.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,863.52 : 80,814.74 = 18,808.36 : x
  2. Step 2: Convert to fraction form
    53,863.52/80,814.74 = 18,808.36/x
  3. Step 3: Cross multiply
    53,863.52x = 80,814.74 × 18,808.36
  4. Step 4: Simplify right side
    53,863.52x = 1,519,992,723.23
  5. Step 5: Solve for x
    x = 1,519,992,723.23/53,863.52
  6. Step 6: Final answer
    x = 28,219.34

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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.