Home / 39,907.10-55,072.16-22,002.75

Finding the Fourth Proportional to 39,907.10, 55,072.16 and 22,002.75

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Solution

The fourth proportional to 39,907.10, 55,072.16 and 22,002.75 is: 30,364.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,907.10 : 55,072.16 = 22,002.75 : x
  2. Step 2: Convert to fraction form
    39,907.10/55,072.16 = 22,002.75/x
  3. Step 3: Cross multiply
    39,907.10x = 55,072.16 × 22,002.75
  4. Step 4: Simplify right side
    39,907.10x = 1,211,738,858.43
  5. Step 5: Solve for x
    x = 1,211,738,858.43/39,907.10
  6. Step 6: Final answer
    x = 30,364.00

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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.