Home / 39,321.28-54,281.94-25,182.28

Finding the Fourth Proportional to 39,321.28, 54,281.94 and 25,182.28

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Solution

The fourth proportional to 39,321.28, 54,281.94 and 25,182.28 is: 34,763.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,321.28 : 54,281.94 = 25,182.28 : x
  2. Step 2: Convert to fraction form
    39,321.28/54,281.94 = 25,182.28/x
  3. Step 3: Cross multiply
    39,321.28x = 54,281.94 × 25,182.28
  4. Step 4: Simplify right side
    39,321.28x = 1,366,943,012.02
  5. Step 5: Solve for x
    x = 1,366,943,012.02/39,321.28
  6. Step 6: Final answer
    x = 34,763.44

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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.