Home / 53,076.69-79,619.37-15,128.88

Finding the Fourth Proportional to 53,076.69, 79,619.37 and 15,128.88

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Solution

The fourth proportional to 53,076.69, 79,619.37 and 15,128.88 is: 22,694.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,076.69 : 79,619.37 = 15,128.88 : x
  2. Step 2: Convert to fraction form
    53,076.69/79,619.37 = 15,128.88/x
  3. Step 3: Cross multiply
    53,076.69x = 79,619.37 × 15,128.88
  4. Step 4: Simplify right side
    53,076.69x = 1,204,552,072.06
  5. Step 5: Solve for x
    x = 1,204,552,072.06/53,076.69
  6. Step 6: Final answer
    x = 22,694.56

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1.5x scale

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.