Home / 51,025.29-76,538.09-15,486.90

Finding the Fourth Proportional to 51,025.29, 76,538.09 and 15,486.90

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Solution

The fourth proportional to 51,025.29, 76,538.09 and 15,486.90 is: 23,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,025.29 : 76,538.09 = 15,486.90 : x
  2. Step 2: Convert to fraction form
    51,025.29/76,538.09 = 15,486.90/x
  3. Step 3: Cross multiply
    51,025.29x = 76,538.09 × 15,486.90
  4. Step 4: Simplify right side
    51,025.29x = 1,185,337,668.59
  5. Step 5: Solve for x
    x = 1,185,337,668.59/51,025.29
  6. Step 6: Final answer
    x = 23,230.40

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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.