Home / 53,456.70-80,185.38-14,013.46

Finding the Fourth Proportional to 53,456.70, 80,185.38 and 14,013.46

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Solution

The fourth proportional to 53,456.70, 80,185.38 and 14,013.46 is: 21,020.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,456.70 : 80,185.38 = 14,013.46 : x
  2. Step 2: Convert to fraction form
    53,456.70/80,185.38 = 14,013.46/x
  3. Step 3: Cross multiply
    53,456.70x = 80,185.38 × 14,013.46
  4. Step 4: Simplify right side
    53,456.70x = 1,123,674,615.21
  5. Step 5: Solve for x
    x = 1,123,674,615.21/53,456.70
  6. Step 6: Final answer
    x = 21,020.28

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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.