Home / 53,243.11-79,841.36-19,939.82

Finding the Fourth Proportional to 53,243.11, 79,841.36 and 19,939.82

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Solution

The fourth proportional to 53,243.11, 79,841.36 and 19,939.82 is: 29,901.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,243.11 : 79,841.36 = 19,939.82 : x
  2. Step 2: Convert to fraction form
    53,243.11/79,841.36 = 19,939.82/x
  3. Step 3: Cross multiply
    53,243.11x = 79,841.36 × 19,939.82
  4. Step 4: Simplify right side
    53,243.11x = 1,592,022,362.58
  5. Step 5: Solve for x
    x = 1,592,022,362.58/53,243.11
  6. Step 6: Final answer
    x = 29,901.00

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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.