Home / 40,175.23-55,435.30-25,065.49

Finding the Fourth Proportional to 40,175.23, 55,435.30 and 25,065.49

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Solution

The fourth proportional to 40,175.23, 55,435.30 and 25,065.49 is: 34,586.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,175.23 : 55,435.30 = 25,065.49 : x
  2. Step 2: Convert to fraction form
    40,175.23/55,435.30 = 25,065.49/x
  3. Step 3: Cross multiply
    40,175.23x = 55,435.30 × 25,065.49
  4. Step 4: Simplify right side
    40,175.23x = 1,389,512,957.80
  5. Step 5: Solve for x
    x = 1,389,512,957.80/40,175.23
  6. Step 6: Final answer
    x = 34,586.31

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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.