Home / 51,938.39-71,657.79-29,274.59

Finding the Fourth Proportional to 51,938.39, 71,657.79 and 29,274.59

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Solution

The fourth proportional to 51,938.39, 71,657.79 and 29,274.59 is: 40,389.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,938.39 : 71,657.79 = 29,274.59 : x
  2. Step 2: Convert to fraction form
    51,938.39/71,657.79 = 29,274.59/x
  3. Step 3: Cross multiply
    51,938.39x = 71,657.79 × 29,274.59
  4. Step 4: Simplify right side
    51,938.39x = 2,097,752,422.56
  5. Step 5: Solve for x
    x = 2,097,752,422.56/51,938.39
  6. Step 6: Final answer
    x = 40,389.25

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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.