Home / 56,086.40-84,111.39-18,636.42

Finding the Fourth Proportional to 56,086.40, 84,111.39 and 18,636.42

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Solution

The fourth proportional to 56,086.40, 84,111.39 and 18,636.42 is: 27,948.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,086.40 : 84,111.39 = 18,636.42 : x
  2. Step 2: Convert to fraction form
    56,086.40/84,111.39 = 18,636.42/x
  3. Step 3: Cross multiply
    56,086.40x = 84,111.39 × 18,636.42
  4. Step 4: Simplify right side
    56,086.40x = 1,567,534,770.27
  5. Step 5: Solve for x
    x = 1,567,534,770.27/56,086.40
  6. Step 6: Final answer
    x = 27,948.57

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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.