Home / 51,734.60-71,427.54-39,775.88

Finding the Fourth Proportional to 51,734.60, 71,427.54 and 39,775.88

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Solution

The fourth proportional to 51,734.60, 71,427.54 and 39,775.88 is: 54,916.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,734.60 : 71,427.54 = 39,775.88 : x
  2. Step 2: Convert to fraction form
    51,734.60/71,427.54 = 39,775.88/x
  3. Step 3: Cross multiply
    51,734.60x = 71,427.54 × 39,775.88
  4. Step 4: Simplify right side
    51,734.60x = 2,841,093,259.74
  5. Step 5: Solve for x
    x = 2,841,093,259.74/51,734.60
  6. Step 6: Final answer
    x = 54,916.70

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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.