Home / 53,439.42-80,170.06-18,374.52

Finding the Fourth Proportional to 53,439.42, 80,170.06 and 18,374.52

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Solution

The fourth proportional to 53,439.42, 80,170.06 and 18,374.52 is: 27,565.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,439.42 : 80,170.06 = 18,374.52 : x
  2. Step 2: Convert to fraction form
    53,439.42/80,170.06 = 18,374.52/x
  3. Step 3: Cross multiply
    53,439.42x = 80,170.06 × 18,374.52
  4. Step 4: Simplify right side
    53,439.42x = 1,473,086,370.87
  5. Step 5: Solve for x
    x = 1,473,086,370.87/53,439.42
  6. Step 6: Final answer
    x = 27,565.54

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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.