Home / 30,195.45-41,675.63-19,286.57

Finding the Fourth Proportional to 30,195.45, 41,675.63 and 19,286.57

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Solution

The fourth proportional to 30,195.45, 41,675.63 and 19,286.57 is: 26,619.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,195.45 : 41,675.63 = 19,286.57 : x
  2. Step 2: Convert to fraction form
    30,195.45/41,675.63 = 19,286.57/x
  3. Step 3: Cross multiply
    30,195.45x = 41,675.63 × 19,286.57
  4. Step 4: Simplify right side
    30,195.45x = 803,779,963.05
  5. Step 5: Solve for x
    x = 803,779,963.05/30,195.45
  6. Step 6: Final answer
    x = 26,619.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.