Home / 40,478.01-55,894.89-25,396.59

Finding the Fourth Proportional to 40,478.01, 55,894.89 and 25,396.59

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Solution

The fourth proportional to 40,478.01, 55,894.89 and 25,396.59 is: 35,069.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,478.01 : 55,894.89 = 25,396.59 : x
  2. Step 2: Convert to fraction form
    40,478.01/55,894.89 = 25,396.59/x
  3. Step 3: Cross multiply
    40,478.01x = 55,894.89 × 25,396.59
  4. Step 4: Simplify right side
    40,478.01x = 1,419,539,604.43
  5. Step 5: Solve for x
    x = 1,419,539,604.43/40,478.01
  6. Step 6: Final answer
    x = 35,069.40

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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.