Home / 48,435.46-72,657.36-13,375.12

Finding the Fourth Proportional to 48,435.46, 72,657.36 and 13,375.12

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Solution

The fourth proportional to 48,435.46, 72,657.36 and 13,375.12 is: 20,063.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,435.46 : 72,657.36 = 13,375.12 : x
  2. Step 2: Convert to fraction form
    48,435.46/72,657.36 = 13,375.12/x
  3. Step 3: Cross multiply
    48,435.46x = 72,657.36 × 13,375.12
  4. Step 4: Simplify right side
    48,435.46x = 971,800,908.88
  5. Step 5: Solve for x
    x = 971,800,908.88/48,435.46
  6. Step 6: Final answer
    x = 20,063.83

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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.