Home / 45,116.93-67,698.45-30,134.26

Finding the Fourth Proportional to 45,116.93, 67,698.45 and 30,134.26

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Solution

The fourth proportional to 45,116.93, 67,698.45 and 30,134.26 is: 45,216.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,116.93 : 67,698.45 = 30,134.26 : x
  2. Step 2: Convert to fraction form
    45,116.93/67,698.45 = 30,134.26/x
  3. Step 3: Cross multiply
    45,116.93x = 67,698.45 × 30,134.26
  4. Step 4: Simplify right side
    45,116.93x = 2,040,042,778.52
  5. Step 5: Solve for x
    x = 2,040,042,778.52/45,116.93
  6. Step 6: Final answer
    x = 45,216.79

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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.