Home / 51,644.76-77,419.60-20,075.82

Finding the Fourth Proportional to 51,644.76, 77,419.60 and 20,075.82

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Solution

The fourth proportional to 51,644.76, 77,419.60 and 20,075.82 is: 30,095.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,644.76 : 77,419.60 = 20,075.82 : x
  2. Step 2: Convert to fraction form
    51,644.76/77,419.60 = 20,075.82/x
  3. Step 3: Cross multiply
    51,644.76x = 77,419.60 × 20,075.82
  4. Step 4: Simplify right side
    51,644.76x = 1,554,261,613.56
  5. Step 5: Solve for x
    x = 1,554,261,613.56/51,644.76
  6. Step 6: Final answer
    x = 30,095.25

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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.