Home / 51,253.61-76,905-27,880.04

Finding the Fourth Proportional to 51,253.61, 76,905 and 27,880.04

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Solution

The fourth proportional to 51,253.61, 76,905 and 27,880.04 is: 41,833.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,253.61 : 76,905 = 27,880.04 : x
  2. Step 2: Convert to fraction form
    51,253.61/76,905 = 27,880.04/x
  3. Step 3: Cross multiply
    51,253.61x = 76,905 × 27,880.04
  4. Step 4: Simplify right side
    51,253.61x = 2,144,114,668.46
  5. Step 5: Solve for x
    x = 2,144,114,668.46/51,253.61
  6. Step 6: Final answer
    x = 41,833.44

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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.