Home / 53,582.35-80,323.23-18,018.80

Finding the Fourth Proportional to 53,582.35, 80,323.23 and 18,018.80

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Solution

The fourth proportional to 53,582.35, 80,323.23 and 18,018.80 is: 27,011.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,582.35 : 80,323.23 = 18,018.80 : x
  2. Step 2: Convert to fraction form
    53,582.35/80,323.23 = 18,018.80/x
  3. Step 3: Cross multiply
    53,582.35x = 80,323.23 × 18,018.80
  4. Step 4: Simplify right side
    53,582.35x = 1,447,328,261.77
  5. Step 5: Solve for x
    x = 1,447,328,261.77/53,582.35
  6. Step 6: Final answer
    x = 27,011.29

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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.