Home / 47,775.20-65,928.36-26,553.20

Finding the Fourth Proportional to 47,775.20, 65,928.36 and 26,553.20

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Solution

The fourth proportional to 47,775.20, 65,928.36 and 26,553.20 is: 36,642.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,775.20 : 65,928.36 = 26,553.20 : x
  2. Step 2: Convert to fraction form
    47,775.20/65,928.36 = 26,553.20/x
  3. Step 3: Cross multiply
    47,775.20x = 65,928.36 × 26,553.20
  4. Step 4: Simplify right side
    47,775.20x = 1,750,608,928.75
  5. Step 5: Solve for x
    x = 1,750,608,928.75/47,775.20
  6. Step 6: Final answer
    x = 36,642.63

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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.