Home / 53,553.34-80,335.35-19,828.36

Finding the Fourth Proportional to 53,553.34, 80,335.35 and 19,828.36

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Solution

The fourth proportional to 53,553.34, 80,335.35 and 19,828.36 is: 29,744.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,553.34 : 80,335.35 = 19,828.36 : x
  2. Step 2: Convert to fraction form
    53,553.34/80,335.35 = 19,828.36/x
  3. Step 3: Cross multiply
    53,553.34x = 80,335.35 × 19,828.36
  4. Step 4: Simplify right side
    53,553.34x = 1,592,918,240.53
  5. Step 5: Solve for x
    x = 1,592,918,240.53/53,553.34
  6. Step 6: Final answer
    x = 29,744.52

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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.