Home / 30,374.88-41,917.68-17,630.64

Finding the Fourth Proportional to 30,374.88, 41,917.68 and 17,630.64

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Solution

The fourth proportional to 30,374.88, 41,917.68 and 17,630.64 is: 24,330.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,374.88 : 41,917.68 = 17,630.64 : x
  2. Step 2: Convert to fraction form
    30,374.88/41,917.68 = 17,630.64/x
  3. Step 3: Cross multiply
    30,374.88x = 41,917.68 × 17,630.64
  4. Step 4: Simplify right side
    30,374.88x = 739,035,525.72
  5. Step 5: Solve for x
    x = 739,035,525.72/30,374.88
  6. Step 6: Final answer
    x = 24,330.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.