Home / 34,624.43-47,781.74-18,708.88

Finding the Fourth Proportional to 34,624.43, 47,781.74 and 18,708.88

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Solution

The fourth proportional to 34,624.43, 47,781.74 and 18,708.88 is: 25,818.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,624.43 : 47,781.74 = 18,708.88 : x
  2. Step 2: Convert to fraction form
    34,624.43/47,781.74 = 18,708.88/x
  3. Step 3: Cross multiply
    34,624.43x = 47,781.74 × 18,708.88
  4. Step 4: Simplify right side
    34,624.43x = 893,942,839.85
  5. Step 5: Solve for x
    x = 893,942,839.85/34,624.43
  6. Step 6: Final answer
    x = 25,818.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.