Home / 47,780.10-65,926.94-27,629.64

Finding the Fourth Proportional to 47,780.10, 65,926.94 and 27,629.64

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Solution

The fourth proportional to 47,780.10, 65,926.94 and 27,629.64 is: 38,123.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,780.10 : 65,926.94 = 27,629.64 : x
  2. Step 2: Convert to fraction form
    47,780.10/65,926.94 = 27,629.64/x
  3. Step 3: Cross multiply
    47,780.10x = 65,926.94 × 27,629.64
  4. Step 4: Simplify right side
    47,780.10x = 1,821,537,480.35
  5. Step 5: Solve for x
    x = 1,821,537,480.35/47,780.10
  6. Step 6: Final answer
    x = 38,123.35

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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.