Home / 51,107.15-76,655.33-13,671

Finding the Fourth Proportional to 51,107.15, 76,655.33 and 13,671

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Solution

The fourth proportional to 51,107.15, 76,655.33 and 13,671 is: 20,505.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,107.15 : 76,655.33 = 13,671 : x
  2. Step 2: Convert to fraction form
    51,107.15/76,655.33 = 13,671/x
  3. Step 3: Cross multiply
    51,107.15x = 76,655.33 × 13,671
  4. Step 4: Simplify right side
    51,107.15x = 1,047,955,024.97
  5. Step 5: Solve for x
    x = 1,047,955,024.97/51,107.15
  6. Step 6: Final answer
    x = 20,505.06

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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.