Home / 52,179.77-78,171.24-40,435.58

Finding the Fourth Proportional to 52,179.77, 78,171.24 and 40,435.58

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Solution

The fourth proportional to 52,179.77, 78,171.24 and 40,435.58 is: 60,577.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,179.77 : 78,171.24 = 40,435.58 : x
  2. Step 2: Convert to fraction form
    52,179.77/78,171.24 = 40,435.58/x
  3. Step 3: Cross multiply
    52,179.77x = 78,171.24 × 40,435.58
  4. Step 4: Simplify right side
    52,179.77x = 3,160,899,428.72
  5. Step 5: Solve for x
    x = 3,160,899,428.72/52,179.77
  6. Step 6: Final answer
    x = 60,577.11

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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.