Home / 30,335.60-41,864.43-16,906.86

Finding the Fourth Proportional to 30,335.60, 41,864.43 and 16,906.86

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Solution

The fourth proportional to 30,335.60, 41,864.43 and 16,906.86 is: 23,332.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,335.60 : 41,864.43 = 16,906.86 : x
  2. Step 2: Convert to fraction form
    30,335.60/41,864.43 = 16,906.86/x
  3. Step 3: Cross multiply
    30,335.60x = 41,864.43 × 16,906.86
  4. Step 4: Simplify right side
    30,335.60x = 707,795,868.30
  5. Step 5: Solve for x
    x = 707,795,868.30/30,335.60
  6. Step 6: Final answer
    x = 23,332.18

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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.