Home / 53,533.18-80,272.43-19,797.49

Finding the Fourth Proportional to 53,533.18, 80,272.43 and 19,797.49

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Solution

The fourth proportional to 53,533.18, 80,272.43 and 19,797.49 is: 29,686.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,533.18 : 80,272.43 = 19,797.49 : x
  2. Step 2: Convert to fraction form
    53,533.18/80,272.43 = 19,797.49/x
  3. Step 3: Cross multiply
    53,533.18x = 80,272.43 × 19,797.49
  4. Step 4: Simplify right side
    53,533.18x = 1,589,192,817.16
  5. Step 5: Solve for x
    x = 1,589,192,817.16/53,533.18
  6. Step 6: Final answer
    x = 29,686.13

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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.