Home / 40,671.84-61,006.80-11,091.36

Finding the Fourth Proportional to 40,671.84, 61,006.80 and 11,091.36

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Solution

The fourth proportional to 40,671.84, 61,006.80 and 11,091.36 is: 16,636.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,671.84 : 61,006.80 = 11,091.36 : x
  2. Step 2: Convert to fraction form
    40,671.84/61,006.80 = 11,091.36/x
  3. Step 3: Cross multiply
    40,671.84x = 61,006.80 × 11,091.36
  4. Step 4: Simplify right side
    40,671.84x = 676,648,381.25
  5. Step 5: Solve for x
    x = 676,648,381.25/40,671.84
  6. Step 6: Final answer
    x = 16,636.78

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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.