Home / 74,214.36-111,310.74-21,609.72

Finding the Fourth Proportional to 74,214.36, 111,310.74 and 21,609.72

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Solution

The fourth proportional to 74,214.36, 111,310.74 and 21,609.72 is: 32,411.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,214.36 : 111,310.74 = 21,609.72 : x
  2. Step 2: Convert to fraction form
    74,214.36/111,310.74 = 21,609.72/x
  3. Step 3: Cross multiply
    74,214.36x = 111,310.74 × 21,609.72
  4. Step 4: Simplify right side
    74,214.36x = 2,405,393,924.39
  5. Step 5: Solve for x
    x = 2,405,393,924.39/74,214.36
  6. Step 6: Final answer
    x = 32,411.44

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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.