Home / 39,387.98-54,360.63-25,049.16

Finding the Fourth Proportional to 39,387.98, 54,360.63 and 25,049.16

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Solution

The fourth proportional to 39,387.98, 54,360.63 and 25,049.16 is: 34,571.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,387.98 : 54,360.63 = 25,049.16 : x
  2. Step 2: Convert to fraction form
    39,387.98/54,360.63 = 25,049.16/x
  3. Step 3: Cross multiply
    39,387.98x = 54,360.63 × 25,049.16
  4. Step 4: Simplify right side
    39,387.98x = 1,361,688,118.57
  5. Step 5: Solve for x
    x = 1,361,688,118.57/39,387.98
  6. Step 6: Final answer
    x = 34,571.16

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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.