Home / 37,421.37-56,137.55-13,403.85

Finding the Fourth Proportional to 37,421.37, 56,137.55 and 13,403.85

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Solution

The fourth proportional to 37,421.37, 56,137.55 and 13,403.85 is: 20,107.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,421.37 : 56,137.55 = 13,403.85 : x
  2. Step 2: Convert to fraction form
    37,421.37/56,137.55 = 13,403.85/x
  3. Step 3: Cross multiply
    37,421.37x = 56,137.55 × 13,403.85
  4. Step 4: Simplify right side
    37,421.37x = 752,459,232.55
  5. Step 5: Solve for x
    x = 752,459,232.55/37,421.37
  6. Step 6: Final answer
    x = 20,107.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.