Home / 30,337.20-41,860.26-16,905.51

Finding the Fourth Proportional to 30,337.20, 41,860.26 and 16,905.51

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Solution

The fourth proportional to 30,337.20, 41,860.26 and 16,905.51 is: 23,326.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,337.20 : 41,860.26 = 16,905.51 : x
  2. Step 2: Convert to fraction form
    30,337.20/41,860.26 = 16,905.51/x
  3. Step 3: Cross multiply
    30,337.20x = 41,860.26 × 16,905.51
  4. Step 4: Simplify right side
    30,337.20x = 707,669,044.03
  5. Step 5: Solve for x
    x = 707,669,044.03/30,337.20
  6. Step 6: Final answer
    x = 23,326.78

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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.