Home / 30,336.74-41,868.10-16,909.22

Finding the Fourth Proportional to 30,336.74, 41,868.10 and 16,909.22

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Solution

The fourth proportional to 30,336.74, 41,868.10 and 16,909.22 is: 23,336.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,336.74 : 41,868.10 = 16,909.22 : x
  2. Step 2: Convert to fraction form
    30,336.74/41,868.10 = 16,909.22/x
  3. Step 3: Cross multiply
    30,336.74x = 41,868.10 × 16,909.22
  4. Step 4: Simplify right side
    30,336.74x = 707,956,913.88
  5. Step 5: Solve for x
    x = 707,956,913.88/30,336.74
  6. Step 6: Final answer
    x = 23,336.62

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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.