Home / 39,955.92-55,126-25,817.08

Finding the Fourth Proportional to 39,955.92, 55,126 and 25,817.08

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Solution

The fourth proportional to 39,955.92, 55,126 and 25,817.08 is: 35,619.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,955.92 : 55,126 = 25,817.08 : x
  2. Step 2: Convert to fraction form
    39,955.92/55,126 = 25,817.08/x
  3. Step 3: Cross multiply
    39,955.92x = 55,126 × 25,817.08
  4. Step 4: Simplify right side
    39,955.92x = 1,423,192,352.08
  5. Step 5: Solve for x
    x = 1,423,192,352.08/39,955.92
  6. Step 6: Final answer
    x = 35,619.06

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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.