Home / 38,380.77-57,576.69-12,087.63

Finding the Fourth Proportional to 38,380.77, 57,576.69 and 12,087.63

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Solution

The fourth proportional to 38,380.77, 57,576.69 and 12,087.63 is: 18,133.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,380.77 : 57,576.69 = 12,087.63 : x
  2. Step 2: Convert to fraction form
    38,380.77/57,576.69 = 12,087.63/x
  3. Step 3: Cross multiply
    38,380.77x = 57,576.69 × 12,087.63
  4. Step 4: Simplify right side
    38,380.77x = 695,965,725.34
  5. Step 5: Solve for x
    x = 695,965,725.34/38,380.77
  6. Step 6: Final answer
    x = 18,133.19

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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.