Home / 51,144.60-76,716.18-14,208.60

Finding the Fourth Proportional to 51,144.60, 76,716.18 and 14,208.60

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Solution

The fourth proportional to 51,144.60, 76,716.18 and 14,208.60 is: 21,312.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,144.60 : 76,716.18 = 14,208.60 : x
  2. Step 2: Convert to fraction form
    51,144.60/76,716.18 = 14,208.60/x
  3. Step 3: Cross multiply
    51,144.60x = 76,716.18 × 14,208.60
  4. Step 4: Simplify right side
    51,144.60x = 1,090,029,515.15
  5. Step 5: Solve for x
    x = 1,090,029,515.15/51,144.60
  6. Step 6: Final answer
    x = 21,312.70

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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.