Home / 44,615.20-66,890.40-18,306.40

Finding the Fourth Proportional to 44,615.20, 66,890.40 and 18,306.40

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Solution

The fourth proportional to 44,615.20, 66,890.40 and 18,306.40 is: 27,446.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,615.20 : 66,890.40 = 18,306.40 : x
  2. Step 2: Convert to fraction form
    44,615.20/66,890.40 = 18,306.40/x
  3. Step 3: Cross multiply
    44,615.20x = 66,890.40 × 18,306.40
  4. Step 4: Simplify right side
    44,615.20x = 1,224,522,418.56
  5. Step 5: Solve for x
    x = 1,224,522,418.56/44,615.20
  6. Step 6: Final answer
    x = 27,446.31

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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.