Home / 53,272.34-79,887.75-19,974.24

Finding the Fourth Proportional to 53,272.34, 79,887.75 and 19,974.24

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Solution

The fourth proportional to 53,272.34, 79,887.75 and 19,974.24 is: 29,953.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,272.34 : 79,887.75 = 19,974.24 : x
  2. Step 2: Convert to fraction form
    53,272.34/79,887.75 = 19,974.24/x
  3. Step 3: Cross multiply
    53,272.34x = 79,887.75 × 19,974.24
  4. Step 4: Simplify right side
    53,272.34x = 1,595,697,091.56
  5. Step 5: Solve for x
    x = 1,595,697,091.56/53,272.34
  6. Step 6: Final answer
    x = 29,953.58

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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.