Home / 51,306.04-76,871.46-27,890.68

Finding the Fourth Proportional to 51,306.04, 76,871.46 and 27,890.68

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Solution

The fourth proportional to 51,306.04, 76,871.46 and 27,890.68 is: 41,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,306.04 : 76,871.46 = 27,890.68 : x
  2. Step 2: Convert to fraction form
    51,306.04/76,871.46 = 27,890.68/x
  3. Step 3: Cross multiply
    51,306.04x = 76,871.46 × 27,890.68
  4. Step 4: Simplify right side
    51,306.04x = 2,143,997,291.99
  5. Step 5: Solve for x
    x = 2,143,997,291.99/51,306.04
  6. Step 6: Final answer
    x = 41,788.40

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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.