Home / 43,448.22-65,175.29-13,868.28

Finding the Fourth Proportional to 43,448.22, 65,175.29 and 13,868.28

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Solution

The fourth proportional to 43,448.22, 65,175.29 and 13,868.28 is: 20,803.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,448.22 : 65,175.29 = 13,868.28 : x
  2. Step 2: Convert to fraction form
    43,448.22/65,175.29 = 13,868.28/x
  3. Step 3: Cross multiply
    43,448.22x = 65,175.29 × 13,868.28
  4. Step 4: Simplify right side
    43,448.22x = 903,869,101.46
  5. Step 5: Solve for x
    x = 903,869,101.46/43,448.22
  6. Step 6: Final answer
    x = 20,803.36

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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.