Home / 53,654.46-80,470.26-20,362.74

Finding the Fourth Proportional to 53,654.46, 80,470.26 and 20,362.74

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Solution

The fourth proportional to 53,654.46, 80,470.26 and 20,362.74 is: 30,539.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,654.46 : 80,470.26 = 20,362.74 : x
  2. Step 2: Convert to fraction form
    53,654.46/80,470.26 = 20,362.74/x
  3. Step 3: Cross multiply
    53,654.46x = 80,470.26 × 20,362.74
  4. Step 4: Simplify right side
    53,654.46x = 1,638,594,982.11
  5. Step 5: Solve for x
    x = 1,638,594,982.11/53,654.46
  6. Step 6: Final answer
    x = 30,539.77

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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.