Home / 48,679.40-73,013.70-13,622.60

Finding the Fourth Proportional to 48,679.40, 73,013.70 and 13,622.60

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Solution

The fourth proportional to 48,679.40, 73,013.70 and 13,622.60 is: 20,432.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,679.40 : 73,013.70 = 13,622.60 : x
  2. Step 2: Convert to fraction form
    48,679.40/73,013.70 = 13,622.60/x
  3. Step 3: Cross multiply
    48,679.40x = 73,013.70 × 13,622.60
  4. Step 4: Simplify right side
    48,679.40x = 994,636,429.62
  5. Step 5: Solve for x
    x = 994,636,429.62/48,679.40
  6. Step 6: Final answer
    x = 20,432.39

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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.