Home / 30,091.87-41,520.33-18,155.04

Finding the Fourth Proportional to 30,091.87, 41,520.33 and 18,155.04

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Solution

The fourth proportional to 30,091.87, 41,520.33 and 18,155.04 is: 25,050.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,091.87 : 41,520.33 = 18,155.04 : x
  2. Step 2: Convert to fraction form
    30,091.87/41,520.33 = 18,155.04/x
  3. Step 3: Cross multiply
    30,091.87x = 41,520.33 × 18,155.04
  4. Step 4: Simplify right side
    30,091.87x = 753,803,044.36
  5. Step 5: Solve for x
    x = 753,803,044.36/30,091.87
  6. Step 6: Final answer
    x = 25,050.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.