Home / 40,591.12-55,979.49-25,485.21

Finding the Fourth Proportional to 40,591.12, 55,979.49 and 25,485.21

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Solution

The fourth proportional to 40,591.12, 55,979.49 and 25,485.21 is: 35,146.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,591.12 : 55,979.49 = 25,485.21 : x
  2. Step 2: Convert to fraction form
    40,591.12/55,979.49 = 25,485.21/x
  3. Step 3: Cross multiply
    40,591.12x = 55,979.49 × 25,485.21
  4. Step 4: Simplify right side
    40,591.12x = 1,426,649,058.34
  5. Step 5: Solve for x
    x = 1,426,649,058.34/40,591.12
  6. Step 6: Final answer
    x = 35,146.83

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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.