Home / 55,069.05-82,609.05-17,619.72

Finding the Fourth Proportional to 55,069.05, 82,609.05 and 17,619.72

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Solution

The fourth proportional to 55,069.05, 82,609.05 and 17,619.72 is: 26,431.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,069.05 : 82,609.05 = 17,619.72 : x
  2. Step 2: Convert to fraction form
    55,069.05/82,609.05 = 17,619.72/x
  3. Step 3: Cross multiply
    55,069.05x = 82,609.05 × 17,619.72
  4. Step 4: Simplify right side
    55,069.05x = 1,455,548,330.47
  5. Step 5: Solve for x
    x = 1,455,548,330.47/55,069.05
  6. Step 6: Final answer
    x = 26,431.33

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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.