Home / 39,178.98-54,040.20-25,025.58

Finding the Fourth Proportional to 39,178.98, 54,040.20 and 25,025.58

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Solution

The fourth proportional to 39,178.98, 54,040.20 and 25,025.58 is: 34,518.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,178.98 : 54,040.20 = 25,025.58 : x
  2. Step 2: Convert to fraction form
    39,178.98/54,040.20 = 25,025.58/x
  3. Step 3: Cross multiply
    39,178.98x = 54,040.20 × 25,025.58
  4. Step 4: Simplify right side
    39,178.98x = 1,352,387,348.32
  5. Step 5: Solve for x
    x = 1,352,387,348.32/39,178.98
  6. Step 6: Final answer
    x = 34,518.19

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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.