Home / 53,769.64-80,654.19-13,788.45

Finding the Fourth Proportional to 53,769.64, 80,654.19 and 13,788.45

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Solution

The fourth proportional to 53,769.64, 80,654.19 and 13,788.45 is: 20,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,769.64 : 80,654.19 = 13,788.45 : x
  2. Step 2: Convert to fraction form
    53,769.64/80,654.19 = 13,788.45/x
  3. Step 3: Cross multiply
    53,769.64x = 80,654.19 × 13,788.45
  4. Step 4: Simplify right side
    53,769.64x = 1,112,095,963.65
  5. Step 5: Solve for x
    x = 1,112,095,963.65/53,769.64
  6. Step 6: Final answer
    x = 20,682.60

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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.