Home / 30,358.20-45,537.30-29,191.80

Finding the Fourth Proportional to 30,358.20, 45,537.30 and 29,191.80

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Solution

The fourth proportional to 30,358.20, 45,537.30 and 29,191.80 is: 43,787.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,358.20 : 45,537.30 = 29,191.80 : x
  2. Step 2: Convert to fraction form
    30,358.20/45,537.30 = 29,191.80/x
  3. Step 3: Cross multiply
    30,358.20x = 45,537.30 × 29,191.80
  4. Step 4: Simplify right side
    30,358.20x = 1,329,315,754.14
  5. Step 5: Solve for x
    x = 1,329,315,754.14/30,358.20
  6. Step 6: Final answer
    x = 43,787.70

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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.