Home / 36,501.54-54,760.56-13,128

Finding the Fourth Proportional to 36,501.54, 54,760.56 and 13,128

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Solution

The fourth proportional to 36,501.54, 54,760.56 and 13,128 is: 19,694.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,501.54 : 54,760.56 = 13,128 : x
  2. Step 2: Convert to fraction form
    36,501.54/54,760.56 = 13,128/x
  3. Step 3: Cross multiply
    36,501.54x = 54,760.56 × 13,128
  4. Step 4: Simplify right side
    36,501.54x = 718,896,631.68
  5. Step 5: Solve for x
    x = 718,896,631.68/36,501.54
  6. Step 6: Final answer
    x = 19,694.97

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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.