Home / 45,378.66-67,998.69-19,069.02

Finding the Fourth Proportional to 45,378.66, 67,998.69 and 19,069.02

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Solution

The fourth proportional to 45,378.66, 67,998.69 and 19,069.02 is: 28,574.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,378.66 : 67,998.69 = 19,069.02 : x
  2. Step 2: Convert to fraction form
    45,378.66/67,998.69 = 19,069.02/x
  3. Step 3: Cross multiply
    45,378.66x = 67,998.69 × 19,069.02
  4. Step 4: Simplify right side
    45,378.66x = 1,296,668,379.58
  5. Step 5: Solve for x
    x = 1,296,668,379.58/45,378.66
  6. Step 6: Final answer
    x = 28,574.41

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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.