Home / 51,134.12-76,704.66-17,386.40

Finding the Fourth Proportional to 51,134.12, 76,704.66 and 17,386.40

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Solution

The fourth proportional to 51,134.12, 76,704.66 and 17,386.40 is: 26,080.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,134.12 : 76,704.66 = 17,386.40 : x
  2. Step 2: Convert to fraction form
    51,134.12/76,704.66 = 17,386.40/x
  3. Step 3: Cross multiply
    51,134.12x = 76,704.66 × 17,386.40
  4. Step 4: Simplify right side
    51,134.12x = 1,333,617,517.10
  5. Step 5: Solve for x
    x = 1,333,617,517.10/51,134.12
  6. Step 6: Final answer
    x = 26,080.78

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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.