Home / 30,305.41-41,847.90-18,994.35

Finding the Fourth Proportional to 30,305.41, 41,847.90 and 18,994.35

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Solution

The fourth proportional to 30,305.41, 41,847.90 and 18,994.35 is: 26,228.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,305.41 : 41,847.90 = 18,994.35 : x
  2. Step 2: Convert to fraction form
    30,305.41/41,847.90 = 18,994.35/x
  3. Step 3: Cross multiply
    30,305.41x = 41,847.90 × 18,994.35
  4. Step 4: Simplify right side
    30,305.41x = 794,873,616.51
  5. Step 5: Solve for x
    x = 794,873,616.51/30,305.41
  6. Step 6: Final answer
    x = 26,228.77

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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.