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Finding the Fourth Proportional to 51,953.89, 71,694.94 and 29,292.68

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Solution

The fourth proportional to 51,953.89, 71,694.94 and 29,292.68 is: 40,423.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,953.89 : 71,694.94 = 29,292.68 : x
  2. Step 2: Convert to fraction form
    51,953.89/71,694.94 = 29,292.68/x
  3. Step 3: Cross multiply
    51,953.89x = 71,694.94 × 29,292.68
  4. Step 4: Simplify right side
    51,953.89x = 2,100,136,935.04
  5. Step 5: Solve for x
    x = 2,100,136,935.04/51,953.89
  6. Step 6: Final answer
    x = 40,423.09

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1.5x scale

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.