Home / 43,548.52-65,315.08-19,850.76

Finding the Fourth Proportional to 43,548.52, 65,315.08 and 19,850.76

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Solution

The fourth proportional to 43,548.52, 65,315.08 and 19,850.76 is: 29,772.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,548.52 : 65,315.08 = 19,850.76 : x
  2. Step 2: Convert to fraction form
    43,548.52/65,315.08 = 19,850.76/x
  3. Step 3: Cross multiply
    43,548.52x = 65,315.08 × 19,850.76
  4. Step 4: Simplify right side
    43,548.52x = 1,296,553,977.46
  5. Step 5: Solve for x
    x = 1,296,553,977.46/43,548.52
  6. Step 6: Final answer
    x = 29,772.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.