Home / 56,347.68-77,754.96-31,190.88

Finding the Fourth Proportional to 56,347.68, 77,754.96 and 31,190.88

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Solution

The fourth proportional to 56,347.68, 77,754.96 and 31,190.88 is: 43,040.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,347.68 : 77,754.96 = 31,190.88 : x
  2. Step 2: Convert to fraction form
    56,347.68/77,754.96 = 31,190.88/x
  3. Step 3: Cross multiply
    56,347.68x = 77,754.96 × 31,190.88
  4. Step 4: Simplify right side
    56,347.68x = 2,425,245,626.76
  5. Step 5: Solve for x
    x = 2,425,245,626.76/56,347.68
  6. Step 6: Final answer
    x = 43,040.74

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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.