Home / 40,190.36-55,430.69-25,851.83

Finding the Fourth Proportional to 40,190.36, 55,430.69 and 25,851.83

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Solution

The fourth proportional to 40,190.36, 55,430.69 and 25,851.83 is: 35,654.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,190.36 : 55,430.69 = 25,851.83 : x
  2. Step 2: Convert to fraction form
    40,190.36/55,430.69 = 25,851.83/x
  3. Step 3: Cross multiply
    40,190.36x = 55,430.69 × 25,851.83
  4. Step 4: Simplify right side
    40,190.36x = 1,432,984,700.72
  5. Step 5: Solve for x
    x = 1,432,984,700.72/40,190.36
  6. Step 6: Final answer
    x = 35,654.94

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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.