Home / 30,292.82-41,820.49-21,245.96

Finding the Fourth Proportional to 30,292.82, 41,820.49 and 21,245.96

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Solution

The fourth proportional to 30,292.82, 41,820.49 and 21,245.96 is: 29,330.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,292.82 : 41,820.49 = 21,245.96 : x
  2. Step 2: Convert to fraction form
    30,292.82/41,820.49 = 21,245.96/x
  3. Step 3: Cross multiply
    30,292.82x = 41,820.49 × 21,245.96
  4. Step 4: Simplify right side
    30,292.82x = 888,516,457.72
  5. Step 5: Solve for x
    x = 888,516,457.72/30,292.82
  6. Step 6: Final answer
    x = 29,330.93

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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.