Home / 37,395.12-51,605.10-20,399.10

Finding the Fourth Proportional to 37,395.12, 51,605.10 and 20,399.10

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Solution

The fourth proportional to 37,395.12, 51,605.10 and 20,399.10 is: 28,150.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,395.12 : 51,605.10 = 20,399.10 : x
  2. Step 2: Convert to fraction form
    37,395.12/51,605.10 = 20,399.10/x
  3. Step 3: Cross multiply
    37,395.12x = 51,605.10 × 20,399.10
  4. Step 4: Simplify right side
    37,395.12x = 1,052,697,595.41
  5. Step 5: Solve for x
    x = 1,052,697,595.41/37,395.12
  6. Step 6: Final answer
    x = 28,150.67

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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.