Home / 53,437.70-80,145.61-18,380.09

Finding the Fourth Proportional to 53,437.70, 80,145.61 and 18,380.09

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Solution

The fourth proportional to 53,437.70, 80,145.61 and 18,380.09 is: 27,566.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,437.70 : 80,145.61 = 18,380.09 : x
  2. Step 2: Convert to fraction form
    53,437.70/80,145.61 = 18,380.09/x
  3. Step 3: Cross multiply
    53,437.70x = 80,145.61 × 18,380.09
  4. Step 4: Simplify right side
    53,437.70x = 1,473,083,524.90
  5. Step 5: Solve for x
    x = 1,473,083,524.90/53,437.70
  6. Step 6: Final answer
    x = 27,566.37

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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.