Home / 40,189.83-55,465.88-23,421.75

Finding the Fourth Proportional to 40,189.83, 55,465.88 and 23,421.75

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Solution

The fourth proportional to 40,189.83, 55,465.88 and 23,421.75 is: 32,324.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,189.83 : 55,465.88 = 23,421.75 : x
  2. Step 2: Convert to fraction form
    40,189.83/55,465.88 = 23,421.75/x
  3. Step 3: Cross multiply
    40,189.83x = 55,465.88 × 23,421.75
  4. Step 4: Simplify right side
    40,189.83x = 1,299,107,857.78
  5. Step 5: Solve for x
    x = 1,299,107,857.78/40,189.83
  6. Step 6: Final answer
    x = 32,324.29

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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.