Home / 39,801.92-54,577.36-38,765.12

Finding the Fourth Proportional to 39,801.92, 54,577.36 and 38,765.12

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Solution

The fourth proportional to 39,801.92, 54,577.36 and 38,765.12 is: 53,155.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,801.92 : 54,577.36 = 38,765.12 : x
  2. Step 2: Convert to fraction form
    39,801.92/54,577.36 = 38,765.12/x
  3. Step 3: Cross multiply
    39,801.92x = 54,577.36 × 38,765.12
  4. Step 4: Simplify right side
    39,801.92x = 2,115,697,909.68
  5. Step 5: Solve for x
    x = 2,115,697,909.68/39,801.92
  6. Step 6: Final answer
    x = 53,155.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.