Home / 53,609.42-80,357.34-18,036.86

Finding the Fourth Proportional to 53,609.42, 80,357.34 and 18,036.86

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Solution

The fourth proportional to 53,609.42, 80,357.34 and 18,036.86 is: 27,036.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,609.42 : 80,357.34 = 18,036.86 : x
  2. Step 2: Convert to fraction form
    53,609.42/80,357.34 = 18,036.86/x
  3. Step 3: Cross multiply
    53,609.42x = 80,357.34 × 18,036.86
  4. Step 4: Simplify right side
    53,609.42x = 1,449,394,091.55
  5. Step 5: Solve for x
    x = 1,449,394,091.55/53,609.42
  6. Step 6: Final answer
    x = 27,036.18

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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.