Home / 40,157.10-55,442.70-25,823.34

Finding the Fourth Proportional to 40,157.10, 55,442.70 and 25,823.34

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Solution

The fourth proportional to 40,157.10, 55,442.70 and 25,823.34 is: 35,652.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,157.10 : 55,442.70 = 25,823.34 : x
  2. Step 2: Convert to fraction form
    40,157.10/55,442.70 = 25,823.34/x
  3. Step 3: Cross multiply
    40,157.10x = 55,442.70 × 25,823.34
  4. Step 4: Simplify right side
    40,157.10x = 1,431,715,692.62
  5. Step 5: Solve for x
    x = 1,431,715,692.62/40,157.10
  6. Step 6: Final answer
    x = 35,652.87

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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.