Home / 30,377.96-41,921.52-16,948.41

Finding the Fourth Proportional to 30,377.96, 41,921.52 and 16,948.41

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Solution

The fourth proportional to 30,377.96, 41,921.52 and 16,948.41 is: 23,388.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,377.96 : 41,921.52 = 16,948.41 : x
  2. Step 2: Convert to fraction form
    30,377.96/41,921.52 = 16,948.41/x
  3. Step 3: Cross multiply
    30,377.96x = 41,921.52 × 16,948.41
  4. Step 4: Simplify right side
    30,377.96x = 710,503,108.78
  5. Step 5: Solve for x
    x = 710,503,108.78/30,377.96
  6. Step 6: Final answer
    x = 23,388.77

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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.