Home / 51,015.18-76,522.66-13,575.25

Finding the Fourth Proportional to 51,015.18, 76,522.66 and 13,575.25

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Solution

The fourth proportional to 51,015.18, 76,522.66 and 13,575.25 is: 20,362.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,015.18 : 76,522.66 = 13,575.25 : x
  2. Step 2: Convert to fraction form
    51,015.18/76,522.66 = 13,575.25/x
  3. Step 3: Cross multiply
    51,015.18x = 76,522.66 × 13,575.25
  4. Step 4: Simplify right side
    51,015.18x = 1,038,814,240.17
  5. Step 5: Solve for x
    x = 1,038,814,240.17/51,015.18
  6. Step 6: Final answer
    x = 20,362.85

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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.