Home / 30,201.85-45,282.78-14,409.32

Finding the Fourth Proportional to 30,201.85, 45,282.78 and 14,409.32

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Solution

The fourth proportional to 30,201.85, 45,282.78 and 14,409.32 is: 21,604.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,201.85 : 45,282.78 = 14,409.32 : x
  2. Step 2: Convert to fraction form
    30,201.85/45,282.78 = 14,409.32/x
  3. Step 3: Cross multiply
    30,201.85x = 45,282.78 × 14,409.32
  4. Step 4: Simplify right side
    30,201.85x = 652,493,800.57
  5. Step 5: Solve for x
    x = 652,493,800.57/30,201.85
  6. Step 6: Final answer
    x = 21,604.43

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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.