Home / 45,855.96-63,279-25,715.04

Finding the Fourth Proportional to 45,855.96, 63,279 and 25,715.04

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Solution

The fourth proportional to 45,855.96, 63,279 and 25,715.04 is: 35,485.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,855.96 : 63,279 = 25,715.04 : x
  2. Step 2: Convert to fraction form
    45,855.96/63,279 = 25,715.04/x
  3. Step 3: Cross multiply
    45,855.96x = 63,279 × 25,715.04
  4. Step 4: Simplify right side
    45,855.96x = 1,627,222,016.16
  5. Step 5: Solve for x
    x = 1,627,222,016.16/45,855.96
  6. Step 6: Final answer
    x = 35,485.51

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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.