Home / 53,385.27-80,076.89-15,945.45

Finding the Fourth Proportional to 53,385.27, 80,076.89 and 15,945.45

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Solution

The fourth proportional to 53,385.27, 80,076.89 and 15,945.45 is: 23,917.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,385.27 : 80,076.89 = 15,945.45 : x
  2. Step 2: Convert to fraction form
    53,385.27/80,076.89 = 15,945.45/x
  3. Step 3: Cross multiply
    53,385.27x = 80,076.89 × 15,945.45
  4. Step 4: Simplify right side
    53,385.27x = 1,276,862,045.65
  5. Step 5: Solve for x
    x = 1,276,862,045.65/53,385.27
  6. Step 6: Final answer
    x = 23,917.87

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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.