Home / 56,436.68-84,659.20-18,996.60

Finding the Fourth Proportional to 56,436.68, 84,659.20 and 18,996.60

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Solution

The fourth proportional to 56,436.68, 84,659.20 and 18,996.60 is: 28,496.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,436.68 : 84,659.20 = 18,996.60 : x
  2. Step 2: Convert to fraction form
    56,436.68/84,659.20 = 18,996.60/x
  3. Step 3: Cross multiply
    56,436.68x = 84,659.20 × 18,996.60
  4. Step 4: Simplify right side
    56,436.68x = 1,608,236,958.72
  5. Step 5: Solve for x
    x = 1,608,236,958.72/56,436.68
  6. Step 6: Final answer
    x = 28,496.31

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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.