Home / 30,953.50-42,714.68-16,806.04

Finding the Fourth Proportional to 30,953.50, 42,714.68 and 16,806.04

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Solution

The fourth proportional to 30,953.50, 42,714.68 and 16,806.04 is: 23,191.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,953.50 : 42,714.68 = 16,806.04 : x
  2. Step 2: Convert to fraction form
    30,953.50/42,714.68 = 16,806.04/x
  3. Step 3: Cross multiply
    30,953.50x = 42,714.68 × 16,806.04
  4. Step 4: Simplify right side
    30,953.50x = 717,864,620.67
  5. Step 5: Solve for x
    x = 717,864,620.67/30,953.50
  6. Step 6: Final answer
    x = 23,191.71

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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.