Home / 52,441.53-78,730.90-31,133.15

Finding the Fourth Proportional to 52,441.53, 78,730.90 and 31,133.15

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Solution

The fourth proportional to 52,441.53, 78,730.90 and 31,133.15 is: 46,740.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,441.53 : 78,730.90 = 31,133.15 : x
  2. Step 2: Convert to fraction form
    52,441.53/78,730.90 = 31,133.15/x
  3. Step 3: Cross multiply
    52,441.53x = 78,730.90 × 31,133.15
  4. Step 4: Simplify right side
    52,441.53x = 2,451,140,447.85
  5. Step 5: Solve for x
    x = 2,451,140,447.85/52,441.53
  6. Step 6: Final answer
    x = 46,740.44

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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.