Home / 56,322.96-84,481.20-18,881.52

Finding the Fourth Proportional to 56,322.96, 84,481.20 and 18,881.52

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Solution

The fourth proportional to 56,322.96, 84,481.20 and 18,881.52 is: 28,321.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,322.96 : 84,481.20 = 18,881.52 : x
  2. Step 2: Convert to fraction form
    56,322.96/84,481.20 = 18,881.52/x
  3. Step 3: Cross multiply
    56,322.96x = 84,481.20 × 18,881.52
  4. Step 4: Simplify right side
    56,322.96x = 1,595,133,467.42
  5. Step 5: Solve for x
    x = 1,595,133,467.42/56,322.96
  6. Step 6: Final answer
    x = 28,321.19

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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.