Home / 43,125.42-64,703.88-18,171.72

Finding the Fourth Proportional to 43,125.42, 64,703.88 and 18,171.72

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Solution

The fourth proportional to 43,125.42, 64,703.88 and 18,171.72 is: 27,264.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,125.42 : 64,703.88 = 18,171.72 : x
  2. Step 2: Convert to fraction form
    43,125.42/64,703.88 = 18,171.72/x
  3. Step 3: Cross multiply
    43,125.42x = 64,703.88 × 18,171.72
  4. Step 4: Simplify right side
    43,125.42x = 1,175,780,790.27
  5. Step 5: Solve for x
    x = 1,175,780,790.27/43,125.42
  6. Step 6: Final answer
    x = 27,264.22

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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.