Home / 43,251.05-64,870.99-13,671.87

Finding the Fourth Proportional to 43,251.05, 64,870.99 and 13,671.87

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Solution

The fourth proportional to 43,251.05, 64,870.99 and 13,671.87 is: 20,506.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,251.05 : 64,870.99 = 13,671.87 : x
  2. Step 2: Convert to fraction form
    43,251.05/64,870.99 = 13,671.87/x
  3. Step 3: Cross multiply
    43,251.05x = 64,870.99 × 13,671.87
  4. Step 4: Simplify right side
    43,251.05x = 886,907,742.05
  5. Step 5: Solve for x
    x = 886,907,742.05/43,251.05
  6. Step 6: Final answer
    x = 20,506.04

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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.