Home / 52,850.73-72,934.11-28,977.81

Finding the Fourth Proportional to 52,850.73, 72,934.11 and 28,977.81

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Solution

The fourth proportional to 52,850.73, 72,934.11 and 28,977.81 is: 39,989.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,850.73 : 72,934.11 = 28,977.81 : x
  2. Step 2: Convert to fraction form
    52,850.73/72,934.11 = 28,977.81/x
  3. Step 3: Cross multiply
    52,850.73x = 72,934.11 × 28,977.81
  4. Step 4: Simplify right side
    52,850.73x = 2,113,470,782.10
  5. Step 5: Solve for x
    x = 2,113,470,782.10/52,850.73
  6. Step 6: Final answer
    x = 39,989.43

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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.