Home / 29,380.56-44,087-12,740.72

Finding the Fourth Proportional to 29,380.56, 44,087 and 12,740.72

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Solution

The fourth proportional to 29,380.56, 44,087 and 12,740.72 is: 19,118.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,380.56 : 44,087 = 12,740.72 : x
  2. Step 2: Convert to fraction form
    29,380.56/44,087 = 12,740.72/x
  3. Step 3: Cross multiply
    29,380.56x = 44,087 × 12,740.72
  4. Step 4: Simplify right side
    29,380.56x = 561,700,122.64
  5. Step 5: Solve for x
    x = 561,700,122.64/29,380.56
  6. Step 6: Final answer
    x = 19,118.09

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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.