Home / 33,278.58-49,903.29-12,487.50

Finding the Fourth Proportional to 33,278.58, 49,903.29 and 12,487.50

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Solution

The fourth proportional to 33,278.58, 49,903.29 and 12,487.50 is: 18,725.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.58 : 49,903.29 = 12,487.50 : x
  2. Step 2: Convert to fraction form
    33,278.58/49,903.29 = 12,487.50/x
  3. Step 3: Cross multiply
    33,278.58x = 49,903.29 × 12,487.50
  4. Step 4: Simplify right side
    33,278.58x = 623,167,333.88
  5. Step 5: Solve for x
    x = 623,167,333.88/33,278.58
  6. Step 6: Final answer
    x = 18,725.78

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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.