Home / 30,042.80-41,458.28-16,613.68

Finding the Fourth Proportional to 30,042.80, 41,458.28 and 16,613.68

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Solution

The fourth proportional to 30,042.80, 41,458.28 and 16,613.68 is: 22,926.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,042.80 : 41,458.28 = 16,613.68 : x
  2. Step 2: Convert to fraction form
    30,042.80/41,458.28 = 16,613.68/x
  3. Step 3: Cross multiply
    30,042.80x = 41,458.28 × 16,613.68
  4. Step 4: Simplify right side
    30,042.80x = 688,774,597.27
  5. Step 5: Solve for x
    x = 688,774,597.27/30,042.80
  6. Step 6: Final answer
    x = 22,926.44

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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.