Home / 33,980.85-51,002.42-18,203.70

Finding the Fourth Proportional to 33,980.85, 51,002.42 and 18,203.70

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Solution

The fourth proportional to 33,980.85, 51,002.42 and 18,203.70 is: 27,322.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,980.85 : 51,002.42 = 18,203.70 : x
  2. Step 2: Convert to fraction form
    33,980.85/51,002.42 = 18,203.70/x
  3. Step 3: Cross multiply
    33,980.85x = 51,002.42 × 18,203.70
  4. Step 4: Simplify right side
    33,980.85x = 928,432,737.22
  5. Step 5: Solve for x
    x = 928,432,737.22/33,980.85
  6. Step 6: Final answer
    x = 27,322.23

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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.