Home / 35,111.34-52,661.83-12,919.56

Finding the Fourth Proportional to 35,111.34, 52,661.83 and 12,919.56

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Solution

The fourth proportional to 35,111.34, 52,661.83 and 12,919.56 is: 19,377.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,111.34 : 52,661.83 = 12,919.56 : x
  2. Step 2: Convert to fraction form
    35,111.34/52,661.83 = 12,919.56/x
  3. Step 3: Cross multiply
    35,111.34x = 52,661.83 × 12,919.56
  4. Step 4: Simplify right side
    35,111.34x = 680,367,672.39
  5. Step 5: Solve for x
    x = 680,367,672.39/35,111.34
  6. Step 6: Final answer
    x = 19,377.43

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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.