Home / 30,104.04-41,563.86-18,790.76

Finding the Fourth Proportional to 30,104.04, 41,563.86 and 18,790.76

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Solution

The fourth proportional to 30,104.04, 41,563.86 and 18,790.76 is: 25,943.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,104.04 : 41,563.86 = 18,790.76 : x
  2. Step 2: Convert to fraction form
    30,104.04/41,563.86 = 18,790.76/x
  3. Step 3: Cross multiply
    30,104.04x = 41,563.86 × 18,790.76
  4. Step 4: Simplify right side
    30,104.04x = 781,016,517.93
  5. Step 5: Solve for x
    x = 781,016,517.93/30,104.04
  6. Step 6: Final answer
    x = 25,943.91

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Half scale
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Double scale
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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.