Home / 53,127.44-79,635.48-19,833.20

Finding the Fourth Proportional to 53,127.44, 79,635.48 and 19,833.20

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Solution

The fourth proportional to 53,127.44, 79,635.48 and 19,833.20 is: 29,729.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,127.44 : 79,635.48 = 19,833.20 : x
  2. Step 2: Convert to fraction form
    53,127.44/79,635.48 = 19,833.20/x
  3. Step 3: Cross multiply
    53,127.44x = 79,635.48 × 19,833.20
  4. Step 4: Simplify right side
    53,127.44x = 1,579,426,401.94
  5. Step 5: Solve for x
    x = 1,579,426,401.94/53,127.44
  6. Step 6: Final answer
    x = 29,729.01

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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.