Home / 30,042.75-41,458.16-16,613.55

Finding the Fourth Proportional to 30,042.75, 41,458.16 and 16,613.55

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Solution

The fourth proportional to 30,042.75, 41,458.16 and 16,613.55 is: 22,926.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,042.75 : 41,458.16 = 16,613.55 : x
  2. Step 2: Convert to fraction form
    30,042.75/41,458.16 = 16,613.55/x
  3. Step 3: Cross multiply
    30,042.75x = 41,458.16 × 16,613.55
  4. Step 4: Simplify right side
    30,042.75x = 688,767,131.00
  5. Step 5: Solve for x
    x = 688,767,131.00/30,042.75
  6. Step 6: Final answer
    x = 22,926.23

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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.