Home / 53,595.75-80,430.48-18,535.44

Finding the Fourth Proportional to 53,595.75, 80,430.48 and 18,535.44

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Solution

The fourth proportional to 53,595.75, 80,430.48 and 18,535.44 is: 27,815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,595.75 : 80,430.48 = 18,535.44 : x
  2. Step 2: Convert to fraction form
    53,595.75/80,430.48 = 18,535.44/x
  3. Step 3: Cross multiply
    53,595.75x = 80,430.48 × 18,535.44
  4. Step 4: Simplify right side
    53,595.75x = 1,490,814,336.21
  5. Step 5: Solve for x
    x = 1,490,814,336.21/53,595.75
  6. Step 6: Final answer
    x = 27,815.91

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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.