Home / 53,267.36-79,871.04-17,709.60

Finding the Fourth Proportional to 53,267.36, 79,871.04 and 17,709.60

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Solution

The fourth proportional to 53,267.36, 79,871.04 and 17,709.60 is: 26,554.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,267.36 : 79,871.04 = 17,709.60 : x
  2. Step 2: Convert to fraction form
    53,267.36/79,871.04 = 17,709.60/x
  3. Step 3: Cross multiply
    53,267.36x = 79,871.04 × 17,709.60
  4. Step 4: Simplify right side
    53,267.36x = 1,414,484,169.98
  5. Step 5: Solve for x
    x = 1,414,484,169.98/53,267.36
  6. Step 6: Final answer
    x = 26,554.43

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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.