Home / 36,042.84-54,064.26-12,663.81

Finding the Fourth Proportional to 36,042.84, 54,064.26 and 12,663.81

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Solution

The fourth proportional to 36,042.84, 54,064.26 and 12,663.81 is: 18,995.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,042.84 : 54,064.26 = 12,663.81 : x
  2. Step 2: Convert to fraction form
    36,042.84/54,064.26 = 12,663.81/x
  3. Step 3: Cross multiply
    36,042.84x = 54,064.26 × 12,663.81
  4. Step 4: Simplify right side
    36,042.84x = 684,659,516.43
  5. Step 5: Solve for x
    x = 684,659,516.43/36,042.84
  6. Step 6: Final answer
    x = 18,995.72

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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.