Home / 40,917.84-61,377.58-12,837.30

Finding the Fourth Proportional to 40,917.84, 61,377.58 and 12,837.30

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Solution

The fourth proportional to 40,917.84, 61,377.58 and 12,837.30 is: 19,256.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,917.84 : 61,377.58 = 12,837.30 : x
  2. Step 2: Convert to fraction form
    40,917.84/61,377.58 = 12,837.30/x
  3. Step 3: Cross multiply
    40,917.84x = 61,377.58 × 12,837.30
  4. Step 4: Simplify right side
    40,917.84x = 787,922,407.73
  5. Step 5: Solve for x
    x = 787,922,407.73/40,917.84
  6. Step 6: Final answer
    x = 19,256.21

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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.