Home / 30,288.85-45,440.46-9,512.35

Finding the Fourth Proportional to 30,288.85, 45,440.46 and 9,512.35

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Solution

The fourth proportional to 30,288.85, 45,440.46 and 9,512.35 is: 14,270.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,288.85 : 45,440.46 = 9,512.35 : x
  2. Step 2: Convert to fraction form
    30,288.85/45,440.46 = 9,512.35/x
  3. Step 3: Cross multiply
    30,288.85x = 45,440.46 × 9,512.35
  4. Step 4: Simplify right side
    30,288.85x = 432,245,446.08
  5. Step 5: Solve for x
    x = 432,245,446.08/30,288.85
  6. Step 6: Final answer
    x = 14,270.78

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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.