Home / 53,738.26-80,616.15-18,687.94

Finding the Fourth Proportional to 53,738.26, 80,616.15 and 18,687.94

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Solution

The fourth proportional to 53,738.26, 80,616.15 and 18,687.94 is: 28,034.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,738.26 : 80,616.15 = 18,687.94 : x
  2. Step 2: Convert to fraction form
    53,738.26/80,616.15 = 18,687.94/x
  3. Step 3: Cross multiply
    53,738.26x = 80,616.15 × 18,687.94
  4. Step 4: Simplify right side
    53,738.26x = 1,506,549,774.23
  5. Step 5: Solve for x
    x = 1,506,549,774.23/53,738.26
  6. Step 6: Final answer
    x = 28,034.96

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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.