Home / 48,679.90-73,011.57-13,611.40

Finding the Fourth Proportional to 48,679.90, 73,011.57 and 13,611.40

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Solution

The fourth proportional to 48,679.90, 73,011.57 and 13,611.40 is: 20,414.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,679.90 : 73,011.57 = 13,611.40 : x
  2. Step 2: Convert to fraction form
    48,679.90/73,011.57 = 13,611.40/x
  3. Step 3: Cross multiply
    48,679.90x = 73,011.57 × 13,611.40
  4. Step 4: Simplify right side
    48,679.90x = 993,789,683.90
  5. Step 5: Solve for x
    x = 993,789,683.90/48,679.90
  6. Step 6: Final answer
    x = 20,414.78

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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.