Home / 51,084.40-76,684.20-39,449.20

Finding the Fourth Proportional to 51,084.40, 76,684.20 and 39,449.20

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Solution

The fourth proportional to 51,084.40, 76,684.20 and 39,449.20 is: 59,218.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,084.40 : 76,684.20 = 39,449.20 : x
  2. Step 2: Convert to fraction form
    51,084.40/76,684.20 = 39,449.20/x
  3. Step 3: Cross multiply
    51,084.40x = 76,684.20 × 39,449.20
  4. Step 4: Simplify right side
    51,084.40x = 3,025,130,342.64
  5. Step 5: Solve for x
    x = 3,025,130,342.64/51,084.40
  6. Step 6: Final answer
    x = 59,218.28

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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.