Home / 40,720.39-56,183.49-23,488.58

Finding the Fourth Proportional to 40,720.39, 56,183.49 and 23,488.58

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Solution

The fourth proportional to 40,720.39, 56,183.49 and 23,488.58 is: 32,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,720.39 : 56,183.49 = 23,488.58 : x
  2. Step 2: Convert to fraction form
    40,720.39/56,183.49 = 23,488.58/x
  3. Step 3: Cross multiply
    40,720.39x = 56,183.49 × 23,488.58
  4. Step 4: Simplify right side
    40,720.39x = 1,319,670,540.00
  5. Step 5: Solve for x
    x = 1,319,670,540.00/40,720.39
  6. Step 6: Final answer
    x = 32,408.10

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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.