Home / 47,845.05-66,021.87-27,703.29

Finding the Fourth Proportional to 47,845.05, 66,021.87 and 27,703.29

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Solution

The fourth proportional to 47,845.05, 66,021.87 and 27,703.29 is: 38,228.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,845.05 : 66,021.87 = 27,703.29 : x
  2. Step 2: Convert to fraction form
    47,845.05/66,021.87 = 27,703.29/x
  3. Step 3: Cross multiply
    47,845.05x = 66,021.87 × 27,703.29
  4. Step 4: Simplify right side
    47,845.05x = 1,829,022,859.25
  5. Step 5: Solve for x
    x = 1,829,022,859.25/47,845.05
  6. Step 6: Final answer
    x = 38,228.05

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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.