Home / 40,698.29-61,049.06-12,621.26

Finding the Fourth Proportional to 40,698.29, 61,049.06 and 12,621.26

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Solution

The fourth proportional to 40,698.29, 61,049.06 and 12,621.26 is: 18,932.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,698.29 : 61,049.06 = 12,621.26 : x
  2. Step 2: Convert to fraction form
    40,698.29/61,049.06 = 12,621.26/x
  3. Step 3: Cross multiply
    40,698.29x = 61,049.06 × 12,621.26
  4. Step 4: Simplify right side
    40,698.29x = 770,516,059.02
  5. Step 5: Solve for x
    x = 770,516,059.02/40,698.29
  6. Step 6: Final answer
    x = 18,932.39

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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.