Home / 51,310.40-70,770.72-37,186.88

Finding the Fourth Proportional to 51,310.40, 70,770.72 and 37,186.88

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Solution

The fourth proportional to 51,310.40, 70,770.72 and 37,186.88 is: 51,290.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,310.40 : 70,770.72 = 37,186.88 : x
  2. Step 2: Convert to fraction form
    51,310.40/70,770.72 = 37,186.88/x
  3. Step 3: Cross multiply
    51,310.40x = 70,770.72 × 37,186.88
  4. Step 4: Simplify right side
    51,310.40x = 2,631,742,272.15
  5. Step 5: Solve for x
    x = 2,631,742,272.15/51,310.40
  6. Step 6: Final answer
    x = 51,290.62

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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.