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Finding the Fourth Proportional to 33,655.61, 50,484.23 and 13,928.87

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Solution

The fourth proportional to 33,655.61, 50,484.23 and 13,928.87 is: 20,893.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,655.61 : 50,484.23 = 13,928.87 : x
  2. Step 2: Convert to fraction form
    33,655.61/50,484.23 = 13,928.87/x
  3. Step 3: Cross multiply
    33,655.61x = 50,484.23 × 13,928.87
  4. Step 4: Simplify right side
    33,655.61x = 703,188,276.72
  5. Step 5: Solve for x
    x = 703,188,276.72/33,655.61
  6. Step 6: Final answer
    x = 20,893.64

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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.