Home / 34,900.89-48,163.83-18,985.59

Finding the Fourth Proportional to 34,900.89, 48,163.83 and 18,985.59

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Solution

The fourth proportional to 34,900.89, 48,163.83 and 18,985.59 is: 26,200.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,900.89 : 48,163.83 = 18,985.59 : x
  2. Step 2: Convert to fraction form
    34,900.89/48,163.83 = 18,985.59/x
  3. Step 3: Cross multiply
    34,900.89x = 48,163.83 × 18,985.59
  4. Step 4: Simplify right side
    34,900.89x = 914,418,729.21
  5. Step 5: Solve for x
    x = 914,418,729.21/34,900.89
  6. Step 6: Final answer
    x = 26,200.44

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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.