Home / 47,780.64-65,936.52-26,557.20

Finding the Fourth Proportional to 47,780.64, 65,936.52 and 26,557.20

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Solution

The fourth proportional to 47,780.64, 65,936.52 and 26,557.20 is: 36,648.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,780.64 : 65,936.52 = 26,557.20 : x
  2. Step 2: Convert to fraction form
    47,780.64/65,936.52 = 26,557.20/x
  3. Step 3: Cross multiply
    47,780.64x = 65,936.52 × 26,557.20
  4. Step 4: Simplify right side
    47,780.64x = 1,751,089,348.94
  5. Step 5: Solve for x
    x = 1,751,089,348.94/47,780.64
  6. Step 6: Final answer
    x = 36,648.51

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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.