Home / 40,189.23-55,448.52-23,191.25

Finding the Fourth Proportional to 40,189.23, 55,448.52 and 23,191.25

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Solution

The fourth proportional to 40,189.23, 55,448.52 and 23,191.25 is: 31,996.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,189.23 : 55,448.52 = 23,191.25 : x
  2. Step 2: Convert to fraction form
    40,189.23/55,448.52 = 23,191.25/x
  3. Step 3: Cross multiply
    40,189.23x = 55,448.52 × 23,191.25
  4. Step 4: Simplify right side
    40,189.23x = 1,285,920,125.24
  5. Step 5: Solve for x
    x = 1,285,920,125.24/40,189.23
  6. Step 6: Final answer
    x = 31,996.64

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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.