Home / 24,470.20-36,705.30-6,939.80

Finding the Fourth Proportional to 24,470.20, 36,705.30 and 6,939.80

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Solution

The fourth proportional to 24,470.20, 36,705.30 and 6,939.80 is: 10,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,470.20 : 36,705.30 = 6,939.80 : x
  2. Step 2: Convert to fraction form
    24,470.20/36,705.30 = 6,939.80/x
  3. Step 3: Cross multiply
    24,470.20x = 36,705.30 × 6,939.80
  4. Step 4: Simplify right side
    24,470.20x = 254,727,440.94
  5. Step 5: Solve for x
    x = 254,727,440.94/24,470.20
  6. Step 6: Final answer
    x = 10,409.70

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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.