Home / 56,236.68-84,367.58-21,176.64

Finding the Fourth Proportional to 56,236.68, 84,367.58 and 21,176.64

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Solution

The fourth proportional to 56,236.68, 84,367.58 and 21,176.64 is: 31,769.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,236.68 : 84,367.58 = 21,176.64 : x
  2. Step 2: Convert to fraction form
    56,236.68/84,367.58 = 21,176.64/x
  3. Step 3: Cross multiply
    56,236.68x = 84,367.58 × 21,176.64
  4. Step 4: Simplify right side
    56,236.68x = 1,786,621,763.45
  5. Step 5: Solve for x
    x = 1,786,621,763.45/56,236.68
  6. Step 6: Final answer
    x = 31,769.69

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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.