Home / 49,148.10-73,722.15-21,081.60

Finding the Fourth Proportional to 49,148.10, 73,722.15 and 21,081.60

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Solution

The fourth proportional to 49,148.10, 73,722.15 and 21,081.60 is: 31,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,148.10 : 73,722.15 = 21,081.60 : x
  2. Step 2: Convert to fraction form
    49,148.10/73,722.15 = 21,081.60/x
  3. Step 3: Cross multiply
    49,148.10x = 73,722.15 × 21,081.60
  4. Step 4: Simplify right side
    49,148.10x = 1,554,180,877.44
  5. Step 5: Solve for x
    x = 1,554,180,877.44/49,148.10
  6. Step 6: Final answer
    x = 31,622.40

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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.