Home / 51,246.80-76,837.07-20,085.20

Finding the Fourth Proportional to 51,246.80, 76,837.07 and 20,085.20

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Solution

The fourth proportional to 51,246.80, 76,837.07 and 20,085.20 is: 30,114.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,246.80 : 76,837.07 = 20,085.20 : x
  2. Step 2: Convert to fraction form
    51,246.80/76,837.07 = 20,085.20/x
  3. Step 3: Cross multiply
    51,246.80x = 76,837.07 × 20,085.20
  4. Step 4: Simplify right side
    51,246.80x = 1,543,287,918.36
  5. Step 5: Solve for x
    x = 1,543,287,918.36/51,246.80
  6. Step 6: Final answer
    x = 30,114.82

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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.