Home / 39,475.44-59,171.78-18,398.12

Finding the Fourth Proportional to 39,475.44, 59,171.78 and 18,398.12

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Solution

The fourth proportional to 39,475.44, 59,171.78 and 18,398.12 is: 27,577.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,475.44 : 59,171.78 = 18,398.12 : x
  2. Step 2: Convert to fraction form
    39,475.44/59,171.78 = 18,398.12/x
  3. Step 3: Cross multiply
    39,475.44x = 59,171.78 × 18,398.12
  4. Step 4: Simplify right side
    39,475.44x = 1,088,649,509.05
  5. Step 5: Solve for x
    x = 1,088,649,509.05/39,475.44
  6. Step 6: Final answer
    x = 27,577.89

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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.