Home / 75,712.24-113,539.20-22,389.40

Finding the Fourth Proportional to 75,712.24, 113,539.20 and 22,389.40

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Solution

The fourth proportional to 75,712.24, 113,539.20 and 22,389.40 is: 33,575.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,712.24 : 113,539.20 = 22,389.40 : x
  2. Step 2: Convert to fraction form
    75,712.24/113,539.20 = 22,389.40/x
  3. Step 3: Cross multiply
    75,712.24x = 113,539.20 × 22,389.40
  4. Step 4: Simplify right side
    75,712.24x = 2,542,074,564.48
  5. Step 5: Solve for x
    x = 2,542,074,564.48/75,712.24
  6. Step 6: Final answer
    x = 33,575.48

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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.