Home / 47,657.20-65,770.84-26,438.64

Finding the Fourth Proportional to 47,657.20, 65,770.84 and 26,438.64

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Solution

The fourth proportional to 47,657.20, 65,770.84 and 26,438.64 is: 36,487.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,657.20 : 65,770.84 = 26,438.64 : x
  2. Step 2: Convert to fraction form
    47,657.20/65,770.84 = 26,438.64/x
  3. Step 3: Cross multiply
    47,657.20x = 65,770.84 × 26,438.64
  4. Step 4: Simplify right side
    47,657.20x = 1,738,891,561.26
  5. Step 5: Solve for x
    x = 1,738,891,561.26/47,657.20
  6. Step 6: Final answer
    x = 36,487.49

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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.