Home / 39,178.71-54,075.87-25,768.26

Finding the Fourth Proportional to 39,178.71, 54,075.87 and 25,768.26

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Solution

The fourth proportional to 39,178.71, 54,075.87 and 25,768.26 is: 35,566.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,178.71 : 54,075.87 = 25,768.26 : x
  2. Step 2: Convert to fraction form
    39,178.71/54,075.87 = 25,768.26/x
  3. Step 3: Cross multiply
    39,178.71x = 54,075.87 × 25,768.26
  4. Step 4: Simplify right side
    39,178.71x = 1,393,441,077.89
  5. Step 5: Solve for x
    x = 1,393,441,077.89/39,178.71
  6. Step 6: Final answer
    x = 35,566.28

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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.