Home / 53,226.92-79,849.78-17,690.36

Finding the Fourth Proportional to 53,226.92, 79,849.78 and 17,690.36

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Solution

The fourth proportional to 53,226.92, 79,849.78 and 17,690.36 is: 26,538.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,226.92 : 79,849.78 = 17,690.36 : x
  2. Step 2: Convert to fraction form
    53,226.92/79,849.78 = 17,690.36/x
  3. Step 3: Cross multiply
    53,226.92x = 79,849.78 × 17,690.36
  4. Step 4: Simplify right side
    53,226.92x = 1,412,571,354.12
  5. Step 5: Solve for x
    x = 1,412,571,354.12/53,226.92
  6. Step 6: Final answer
    x = 26,538.66

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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.