Home / 30,115.50-45,072.51-29,717.22

Finding the Fourth Proportional to 30,115.50, 45,072.51 and 29,717.22

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Solution

The fourth proportional to 30,115.50, 45,072.51 and 29,717.22 is: 44,476.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,115.50 : 45,072.51 = 29,717.22 : x
  2. Step 2: Convert to fraction form
    30,115.50/45,072.51 = 29,717.22/x
  3. Step 3: Cross multiply
    30,115.50x = 45,072.51 × 29,717.22
  4. Step 4: Simplify right side
    30,115.50x = 1,339,429,695.62
  5. Step 5: Solve for x
    x = 1,339,429,695.62/30,115.50
  6. Step 6: Final answer
    x = 44,476.42

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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.