Home / 30,375.31-41,917.96-16,946.57

Finding the Fourth Proportional to 30,375.31, 41,917.96 and 16,946.57

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Solution

The fourth proportional to 30,375.31, 41,917.96 and 16,946.57 is: 23,386.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,375.31 : 41,917.96 = 16,946.57 : x
  2. Step 2: Convert to fraction form
    30,375.31/41,917.96 = 16,946.57/x
  3. Step 3: Cross multiply
    30,375.31x = 41,917.96 × 16,946.57
  4. Step 4: Simplify right side
    30,375.31x = 710,365,601.03
  5. Step 5: Solve for x
    x = 710,365,601.03/30,375.31
  6. Step 6: Final answer
    x = 23,386.28

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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.