Home / 48,439.50-72,683.97-19,997.46

Finding the Fourth Proportional to 48,439.50, 72,683.97 and 19,997.46

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Solution

The fourth proportional to 48,439.50, 72,683.97 and 19,997.46 is: 30,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,439.50 : 72,683.97 = 19,997.46 : x
  2. Step 2: Convert to fraction form
    48,439.50/72,683.97 = 19,997.46/x
  3. Step 3: Cross multiply
    48,439.50x = 72,683.97 × 19,997.46
  4. Step 4: Simplify right side
    48,439.50x = 1,453,494,782.72
  5. Step 5: Solve for x
    x = 1,453,494,782.72/48,439.50
  6. Step 6: Final answer
    x = 30,006.40

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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.