Home / 38,820.44-58,242.96-13,859.93

Finding the Fourth Proportional to 38,820.44, 58,242.96 and 13,859.93

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Solution

The fourth proportional to 38,820.44, 58,242.96 and 13,859.93 is: 20,794.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,820.44 : 58,242.96 = 13,859.93 : x
  2. Step 2: Convert to fraction form
    38,820.44/58,242.96 = 13,859.93/x
  3. Step 3: Cross multiply
    38,820.44x = 58,242.96 × 13,859.93
  4. Step 4: Simplify right side
    38,820.44x = 807,243,494.20
  5. Step 5: Solve for x
    x = 807,243,494.20/38,820.44
  6. Step 6: Final answer
    x = 20,794.29

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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.