Home / 47,673.98-65,791.85-28,807.46

Finding the Fourth Proportional to 47,673.98, 65,791.85 and 28,807.46

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Solution

The fourth proportional to 47,673.98, 65,791.85 and 28,807.46 is: 39,755.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,673.98 : 65,791.85 = 28,807.46 : x
  2. Step 2: Convert to fraction form
    47,673.98/65,791.85 = 28,807.46/x
  3. Step 3: Cross multiply
    47,673.98x = 65,791.85 × 28,807.46
  4. Step 4: Simplify right side
    47,673.98x = 1,895,296,087.20
  5. Step 5: Solve for x
    x = 1,895,296,087.20/47,673.98
  6. Step 6: Final answer
    x = 39,755.36

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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.