Home / 30,385.63-45,512.82-29,642.05

Finding the Fourth Proportional to 30,385.63, 45,512.82 and 29,642.05

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Solution

The fourth proportional to 30,385.63, 45,512.82 and 29,642.05 is: 44,399.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,385.63 : 45,512.82 = 29,642.05 : x
  2. Step 2: Convert to fraction form
    30,385.63/45,512.82 = 29,642.05/x
  3. Step 3: Cross multiply
    30,385.63x = 45,512.82 × 29,642.05
  4. Step 4: Simplify right side
    30,385.63x = 1,349,093,286.08
  5. Step 5: Solve for x
    x = 1,349,093,286.08/30,385.63
  6. Step 6: Final answer
    x = 44,399.06

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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.