Home / 51,938.40-71,657.78-29,274.60

Finding the Fourth Proportional to 51,938.40, 71,657.78 and 29,274.60

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Solution

The fourth proportional to 51,938.40, 71,657.78 and 29,274.60 is: 40,389.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,938.40 : 71,657.78 = 29,274.60 : x
  2. Step 2: Convert to fraction form
    51,938.40/71,657.78 = 29,274.60/x
  3. Step 3: Cross multiply
    51,938.40x = 71,657.78 × 29,274.60
  4. Step 4: Simplify right side
    51,938.40x = 2,097,752,846.39
  5. Step 5: Solve for x
    x = 2,097,752,846.39/51,938.40
  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.