Home / 48,657.68-67,147.92-30,760.72

Finding the Fourth Proportional to 48,657.68, 67,147.92 and 30,760.72

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Solution

The fourth proportional to 48,657.68, 67,147.92 and 30,760.72 is: 42,450.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,657.68 : 67,147.92 = 30,760.72 : x
  2. Step 2: Convert to fraction form
    48,657.68/67,147.92 = 30,760.72/x
  3. Step 3: Cross multiply
    48,657.68x = 67,147.92 × 30,760.72
  4. Step 4: Simplify right side
    48,657.68x = 2,065,518,365.70
  5. Step 5: Solve for x
    x = 2,065,518,365.70/48,657.68
  6. Step 6: Final answer
    x = 42,450.00

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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.