Home / 39,938.85-55,115.62-22,033.90

Finding the Fourth Proportional to 39,938.85, 55,115.62 and 22,033.90

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Solution

The fourth proportional to 39,938.85, 55,115.62 and 22,033.90 is: 30,406.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,938.85 : 55,115.62 = 22,033.90 : x
  2. Step 2: Convert to fraction form
    39,938.85/55,115.62 = 22,033.90/x
  3. Step 3: Cross multiply
    39,938.85x = 55,115.62 × 22,033.90
  4. Step 4: Simplify right side
    39,938.85x = 1,214,411,866.64
  5. Step 5: Solve for x
    x = 1,214,411,866.64/39,938.85
  6. Step 6: Final answer
    x = 30,406.78

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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.