Home / 51,725.76-71,408.64-34,818.88

Finding the Fourth Proportional to 51,725.76, 71,408.64 and 34,818.88

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Solution

The fourth proportional to 51,725.76, 71,408.64 and 34,818.88 is: 48,068.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,725.76 : 71,408.64 = 34,818.88 : x
  2. Step 2: Convert to fraction form
    51,725.76/71,408.64 = 34,818.88/x
  3. Step 3: Cross multiply
    51,725.76x = 71,408.64 × 34,818.88
  4. Step 4: Simplify right side
    51,725.76x = 2,486,368,867.12
  5. Step 5: Solve for x
    x = 2,486,368,867.12/51,725.76
  6. Step 6: Final answer
    x = 48,068.29

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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.