Home / 39,784.53-54,903.32-22,790.26

Finding the Fourth Proportional to 39,784.53, 54,903.32 and 22,790.26

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Solution

The fourth proportional to 39,784.53, 54,903.32 and 22,790.26 is: 31,450.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,784.53 : 54,903.32 = 22,790.26 : x
  2. Step 2: Convert to fraction form
    39,784.53/54,903.32 = 22,790.26/x
  3. Step 3: Cross multiply
    39,784.53x = 54,903.32 × 22,790.26
  4. Step 4: Simplify right side
    39,784.53x = 1,251,260,800.40
  5. Step 5: Solve for x
    x = 1,251,260,800.40/39,784.53
  6. Step 6: Final answer
    x = 31,450.94

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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.