Home / 56,770.47-78,344.01-31,619.97

Finding the Fourth Proportional to 56,770.47, 78,344.01 and 31,619.97

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Solution

The fourth proportional to 56,770.47, 78,344.01 and 31,619.97 is: 43,635.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,770.47 : 78,344.01 = 31,619.97 : x
  2. Step 2: Convert to fraction form
    56,770.47/78,344.01 = 31,619.97/x
  3. Step 3: Cross multiply
    56,770.47x = 78,344.01 × 31,619.97
  4. Step 4: Simplify right side
    56,770.47x = 2,477,235,245.88
  5. Step 5: Solve for x
    x = 2,477,235,245.88/56,770.47
  6. Step 6: Final answer
    x = 43,635.98

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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.