Home / 44,315.20-66,472.80-20,622.70

Finding the Fourth Proportional to 44,315.20, 66,472.80 and 20,622.70

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Solution

The fourth proportional to 44,315.20, 66,472.80 and 20,622.70 is: 30,934.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,315.20 : 66,472.80 = 20,622.70 : x
  2. Step 2: Convert to fraction form
    44,315.20/66,472.80 = 20,622.70/x
  3. Step 3: Cross multiply
    44,315.20x = 66,472.80 × 20,622.70
  4. Step 4: Simplify right side
    44,315.20x = 1,370,848,612.56
  5. Step 5: Solve for x
    x = 1,370,848,612.56/44,315.20
  6. Step 6: Final answer
    x = 30,934.05

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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.