Home / 33,980.06-50,990.13-12,937.81

Finding the Fourth Proportional to 33,980.06, 50,990.13 and 12,937.81

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Solution

The fourth proportional to 33,980.06, 50,990.13 and 12,937.81 is: 19,414.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,980.06 : 50,990.13 = 12,937.81 : x
  2. Step 2: Convert to fraction form
    33,980.06/50,990.13 = 12,937.81/x
  3. Step 3: Cross multiply
    33,980.06x = 50,990.13 × 12,937.81
  4. Step 4: Simplify right side
    33,980.06x = 659,700,613.82
  5. Step 5: Solve for x
    x = 659,700,613.82/33,980.06
  6. Step 6: Final answer
    x = 19,414.35

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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.