Home / 51,911.52-71,630.72-29,246.72

Finding the Fourth Proportional to 51,911.52, 71,630.72 and 29,246.72

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Solution

The fourth proportional to 51,911.52, 71,630.72 and 29,246.72 is: 40,356.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,911.52 : 71,630.72 = 29,246.72 : x
  2. Step 2: Convert to fraction form
    51,911.52/71,630.72 = 29,246.72/x
  3. Step 3: Cross multiply
    51,911.52x = 71,630.72 × 29,246.72
  4. Step 4: Simplify right side
    51,911.52x = 2,094,963,611.24
  5. Step 5: Solve for x
    x = 2,094,963,611.24/51,911.52
  6. Step 6: Final answer
    x = 40,356.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.