Home / 55,087.64-82,631.36-15,645.16

Finding the Fourth Proportional to 55,087.64, 82,631.36 and 15,645.16

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Solution

The fourth proportional to 55,087.64, 82,631.36 and 15,645.16 is: 23,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,087.64 : 82,631.36 = 15,645.16 : x
  2. Step 2: Convert to fraction form
    55,087.64/82,631.36 = 15,645.16/x
  3. Step 3: Cross multiply
    55,087.64x = 82,631.36 × 15,645.16
  4. Step 4: Simplify right side
    55,087.64x = 1,292,780,848.22
  5. Step 5: Solve for x
    x = 1,292,780,848.22/55,087.64
  6. Step 6: Final answer
    x = 23,467.71

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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.