Home / 53,198.90-79,807.80-17,662.34

Finding the Fourth Proportional to 53,198.90, 79,807.80 and 17,662.34

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Solution

The fourth proportional to 53,198.90, 79,807.80 and 17,662.34 is: 26,496.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,198.90 : 79,807.80 = 17,662.34 : x
  2. Step 2: Convert to fraction form
    53,198.90/79,807.80 = 17,662.34/x
  3. Step 3: Cross multiply
    53,198.90x = 79,807.80 × 17,662.34
  4. Step 4: Simplify right side
    53,198.90x = 1,409,592,498.25
  5. Step 5: Solve for x
    x = 1,409,592,498.25/53,198.90
  6. Step 6: Final answer
    x = 26,496.65

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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.