Home / 51,655.20-77,452.69-20,028.31

Finding the Fourth Proportional to 51,655.20, 77,452.69 and 20,028.31

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Solution

The fourth proportional to 51,655.20, 77,452.69 and 20,028.31 is: 30,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,655.20 : 77,452.69 = 20,028.31 : x
  2. Step 2: Convert to fraction form
    51,655.20/77,452.69 = 20,028.31/x
  3. Step 3: Cross multiply
    51,655.20x = 77,452.69 × 20,028.31
  4. Step 4: Simplify right side
    51,655.20x = 1,551,246,717.67
  5. Step 5: Solve for x
    x = 1,551,246,717.67/51,655.20
  6. Step 6: Final answer
    x = 30,030.80

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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.