Home / 35,451.51-48,922.68-20,137.95

Finding the Fourth Proportional to 35,451.51, 48,922.68 and 20,137.95

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Solution

The fourth proportional to 35,451.51, 48,922.68 and 20,137.95 is: 27,790.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,451.51 : 48,922.68 = 20,137.95 : x
  2. Step 2: Convert to fraction form
    35,451.51/48,922.68 = 20,137.95/x
  3. Step 3: Cross multiply
    35,451.51x = 48,922.68 × 20,137.95
  4. Step 4: Simplify right side
    35,451.51x = 985,202,483.71
  5. Step 5: Solve for x
    x = 985,202,483.71/35,451.51
  6. Step 6: Final answer
    x = 27,790.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.