Home / 38,365.24-57,561.68-13,408.96

Finding the Fourth Proportional to 38,365.24, 57,561.68 and 13,408.96

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Solution

The fourth proportional to 38,365.24, 57,561.68 and 13,408.96 is: 20,118.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,365.24 : 57,561.68 = 13,408.96 : x
  2. Step 2: Convert to fraction form
    38,365.24/57,561.68 = 13,408.96/x
  3. Step 3: Cross multiply
    38,365.24x = 57,561.68 × 13,408.96
  4. Step 4: Simplify right side
    38,365.24x = 771,842,264.65
  5. Step 5: Solve for x
    x = 771,842,264.65/38,365.24
  6. Step 6: Final answer
    x = 20,118.27

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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.