Home / 30,119.96-45,181.38-14,550.68

Finding the Fourth Proportional to 30,119.96, 45,181.38 and 14,550.68

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Solution

The fourth proportional to 30,119.96, 45,181.38 and 14,550.68 is: 21,826.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,119.96 : 45,181.38 = 14,550.68 : x
  2. Step 2: Convert to fraction form
    30,119.96/45,181.38 = 14,550.68/x
  3. Step 3: Cross multiply
    30,119.96x = 45,181.38 × 14,550.68
  4. Step 4: Simplify right side
    30,119.96x = 657,419,802.34
  5. Step 5: Solve for x
    x = 657,419,802.34/30,119.96
  6. Step 6: Final answer
    x = 21,826.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.