Home / 52,853.31-79,124.45-35,279.55

Finding the Fourth Proportional to 52,853.31, 79,124.45 and 35,279.55

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Solution

The fourth proportional to 52,853.31, 79,124.45 and 35,279.55 is: 52,815.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,853.31 : 79,124.45 = 35,279.55 : x
  2. Step 2: Convert to fraction form
    52,853.31/79,124.45 = 35,279.55/x
  3. Step 3: Cross multiply
    52,853.31x = 79,124.45 × 35,279.55
  4. Step 4: Simplify right side
    52,853.31x = 2,791,474,813.60
  5. Step 5: Solve for x
    x = 2,791,474,813.60/52,853.31
  6. Step 6: Final answer
    x = 52,815.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.