Home / 33,630.30-50,445.45-21,164.40

Finding the Fourth Proportional to 33,630.30, 50,445.45 and 21,164.40

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Solution

The fourth proportional to 33,630.30, 50,445.45 and 21,164.40 is: 31,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,630.30 : 50,445.45 = 21,164.40 : x
  2. Step 2: Convert to fraction form
    33,630.30/50,445.45 = 21,164.40/x
  3. Step 3: Cross multiply
    33,630.30x = 50,445.45 × 21,164.40
  4. Step 4: Simplify right side
    33,630.30x = 1,067,647,681.98
  5. Step 5: Solve for x
    x = 1,067,647,681.98/33,630.30
  6. Step 6: Final answer
    x = 31,746.60

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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.