Home / 48,635.53-72,960.83-20,555.70

Finding the Fourth Proportional to 48,635.53, 72,960.83 and 20,555.70

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Solution

The fourth proportional to 48,635.53, 72,960.83 and 20,555.70 is: 30,836.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,635.53 : 72,960.83 = 20,555.70 : x
  2. Step 2: Convert to fraction form
    48,635.53/72,960.83 = 20,555.70/x
  3. Step 3: Cross multiply
    48,635.53x = 72,960.83 × 20,555.70
  4. Step 4: Simplify right side
    48,635.53x = 1,499,760,465.65
  5. Step 5: Solve for x
    x = 1,499,760,465.65/48,635.53
  6. Step 6: Final answer
    x = 30,836.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.