Home / 48,697.76-67,202.96-30,800.48

Finding the Fourth Proportional to 48,697.76, 67,202.96 and 30,800.48

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Solution

The fourth proportional to 48,697.76, 67,202.96 and 30,800.48 is: 42,504.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,697.76 : 67,202.96 = 30,800.48 : x
  2. Step 2: Convert to fraction form
    48,697.76/67,202.96 = 30,800.48/x
  3. Step 3: Cross multiply
    48,697.76x = 67,202.96 × 30,800.48
  4. Step 4: Simplify right side
    48,697.76x = 2,069,883,425.42
  5. Step 5: Solve for x
    x = 2,069,883,425.42/48,697.76
  6. Step 6: Final answer
    x = 42,504.69

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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.