Home / 30,043.34-41,458.11-16,613.78

Finding the Fourth Proportional to 30,043.34, 41,458.11 and 16,613.78

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Solution

The fourth proportional to 30,043.34, 41,458.11 and 16,613.78 is: 22,926.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,043.34 : 41,458.11 = 16,613.78 : x
  2. Step 2: Convert to fraction form
    30,043.34/41,458.11 = 16,613.78/x
  3. Step 3: Cross multiply
    30,043.34x = 41,458.11 × 16,613.78
  4. Step 4: Simplify right side
    30,043.34x = 688,775,918.76
  5. Step 5: Solve for x
    x = 688,775,918.76/30,043.34
  6. Step 6: Final answer
    x = 22,926.08

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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.