Home / 34,057.26-51,019.47-19,221.30

Finding the Fourth Proportional to 34,057.26, 51,019.47 and 19,221.30

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Solution

The fourth proportional to 34,057.26, 51,019.47 and 19,221.30 is: 28,794.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,057.26 : 51,019.47 = 19,221.30 : x
  2. Step 2: Convert to fraction form
    34,057.26/51,019.47 = 19,221.30/x
  3. Step 3: Cross multiply
    34,057.26x = 51,019.47 × 19,221.30
  4. Step 4: Simplify right side
    34,057.26x = 980,660,538.71
  5. Step 5: Solve for x
    x = 980,660,538.71/34,057.26
  6. Step 6: Final answer
    x = 28,794.46

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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.