Home / 49,813.11-68,745.51-30,440.34

Finding the Fourth Proportional to 49,813.11, 68,745.51 and 30,440.34

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Solution

The fourth proportional to 49,813.11, 68,745.51 and 30,440.34 is: 42,009.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,813.11 : 68,745.51 = 30,440.34 : x
  2. Step 2: Convert to fraction form
    49,813.11/68,745.51 = 30,440.34/x
  3. Step 3: Cross multiply
    49,813.11x = 68,745.51 × 30,440.34
  4. Step 4: Simplify right side
    49,813.11x = 2,092,636,697.87
  5. Step 5: Solve for x
    x = 2,092,636,697.87/49,813.11
  6. Step 6: Final answer
    x = 42,009.76

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1.5x scale

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.