Home / 33,430.72-50,149.41-12,376.39

Finding the Fourth Proportional to 33,430.72, 50,149.41 and 12,376.39

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Solution

The fourth proportional to 33,430.72, 50,149.41 and 12,376.39 is: 18,565.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,430.72 : 50,149.41 = 12,376.39 : x
  2. Step 2: Convert to fraction form
    33,430.72/50,149.41 = 12,376.39/x
  3. Step 3: Cross multiply
    33,430.72x = 50,149.41 × 12,376.39
  4. Step 4: Simplify right side
    33,430.72x = 620,668,656.43
  5. Step 5: Solve for x
    x = 620,668,656.43/33,430.72
  6. Step 6: Final answer
    x = 18,565.82

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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.