Home / 51,277.20-76,948.20-30,217.20

Finding the Fourth Proportional to 51,277.20, 76,948.20 and 30,217.20

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Solution

The fourth proportional to 51,277.20, 76,948.20 and 30,217.20 is: 45,344.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,277.20 : 76,948.20 = 30,217.20 : x
  2. Step 2: Convert to fraction form
    51,277.20/76,948.20 = 30,217.20/x
  3. Step 3: Cross multiply
    51,277.20x = 76,948.20 × 30,217.20
  4. Step 4: Simplify right side
    51,277.20x = 2,325,159,149.04
  5. Step 5: Solve for x
    x = 2,325,159,149.04/51,277.20
  6. Step 6: Final answer
    x = 45,344.89

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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.