Home / 47,780.39-65,935.32-26,559.20

Finding the Fourth Proportional to 47,780.39, 65,935.32 and 26,559.20

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Solution

The fourth proportional to 47,780.39, 65,935.32 and 26,559.20 is: 36,650.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,780.39 : 65,935.32 = 26,559.20 : x
  2. Step 2: Convert to fraction form
    47,780.39/65,935.32 = 26,559.20/x
  3. Step 3: Cross multiply
    47,780.39x = 65,935.32 × 26,559.20
  4. Step 4: Simplify right side
    47,780.39x = 1,751,189,021.27
  5. Step 5: Solve for x
    x = 1,751,189,021.27/47,780.39
  6. Step 6: Final answer
    x = 36,650.79

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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.