Home / 30,376.96-41,920.34-16,947.97

Finding the Fourth Proportional to 30,376.96, 41,920.34 and 16,947.97

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Solution

The fourth proportional to 30,376.96, 41,920.34 and 16,947.97 is: 23,388.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,376.96 : 41,920.34 = 16,947.97 : x
  2. Step 2: Convert to fraction form
    30,376.96/41,920.34 = 16,947.97/x
  3. Step 3: Cross multiply
    30,376.96x = 41,920.34 × 16,947.97
  4. Step 4: Simplify right side
    30,376.96x = 710,464,475.17
  5. Step 5: Solve for x
    x = 710,464,475.17/30,376.96
  6. Step 6: Final answer
    x = 23,388.27

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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.