Home / 40,813.08-61,231.04-14,520.48

Finding the Fourth Proportional to 40,813.08, 61,231.04 and 14,520.48

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Solution

The fourth proportional to 40,813.08, 61,231.04 and 14,520.48 is: 21,784.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,813.08 : 61,231.04 = 14,520.48 : x
  2. Step 2: Convert to fraction form
    40,813.08/61,231.04 = 14,520.48/x
  3. Step 3: Cross multiply
    40,813.08x = 61,231.04 × 14,520.48
  4. Step 4: Simplify right side
    40,813.08x = 889,104,091.70
  5. Step 5: Solve for x
    x = 889,104,091.70/40,813.08
  6. Step 6: Final answer
    x = 21,784.78

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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.