Home / 51,374.13-77,104.94-20,231.25

Finding the Fourth Proportional to 51,374.13, 77,104.94 and 20,231.25

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Solution

The fourth proportional to 51,374.13, 77,104.94 and 20,231.25 is: 30,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,374.13 : 77,104.94 = 20,231.25 : x
  2. Step 2: Convert to fraction form
    51,374.13/77,104.94 = 20,231.25/x
  3. Step 3: Cross multiply
    51,374.13x = 77,104.94 × 20,231.25
  4. Step 4: Simplify right side
    51,374.13x = 1,559,929,216.22
  5. Step 5: Solve for x
    x = 1,559,929,216.22/51,374.13
  6. Step 6: Final answer
    x = 30,364.10

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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.