Home / 38,429.44-57,652.67-11,779.11

Finding the Fourth Proportional to 38,429.44, 57,652.67 and 11,779.11

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Solution

The fourth proportional to 38,429.44, 57,652.67 and 11,779.11 is: 17,671.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,429.44 : 57,652.67 = 11,779.11 : x
  2. Step 2: Convert to fraction form
    38,429.44/57,652.67 = 11,779.11/x
  3. Step 3: Cross multiply
    38,429.44x = 57,652.67 × 11,779.11
  4. Step 4: Simplify right side
    38,429.44x = 679,097,171.17
  5. Step 5: Solve for x
    x = 679,097,171.17/38,429.44
  6. Step 6: Final answer
    x = 17,671.28

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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.