Home / 56,255.96-84,366.92-18,806.42

Finding the Fourth Proportional to 56,255.96, 84,366.92 and 18,806.42

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Solution

The fourth proportional to 56,255.96, 84,366.92 and 18,806.42 is: 28,203.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,255.96 : 84,366.92 = 18,806.42 : x
  2. Step 2: Convert to fraction form
    56,255.96/84,366.92 = 18,806.42/x
  3. Step 3: Cross multiply
    56,255.96x = 84,366.92 × 18,806.42
  4. Step 4: Simplify right side
    56,255.96x = 1,586,639,731.63
  5. Step 5: Solve for x
    x = 1,586,639,731.63/56,255.96
  6. Step 6: Final answer
    x = 28,203.94

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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.