Home / 30,093.14-45,208.92-21,228.87

Finding the Fourth Proportional to 30,093.14, 45,208.92 and 21,228.87

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Solution

The fourth proportional to 30,093.14, 45,208.92 and 21,228.87 is: 31,892.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,093.14 : 45,208.92 = 21,228.87 : x
  2. Step 2: Convert to fraction form
    30,093.14/45,208.92 = 21,228.87/x
  3. Step 3: Cross multiply
    30,093.14x = 45,208.92 × 21,228.87
  4. Step 4: Simplify right side
    30,093.14x = 959,734,415.25
  5. Step 5: Solve for x
    x = 959,734,415.25/30,093.14
  6. Step 6: Final answer
    x = 31,892.13

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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.