Home / 43,368.64-65,057.31-11,779.18

Finding the Fourth Proportional to 43,368.64, 65,057.31 and 11,779.18

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Solution

The fourth proportional to 43,368.64, 65,057.31 and 11,779.18 is: 17,669.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,368.64 : 65,057.31 = 11,779.18 : x
  2. Step 2: Convert to fraction form
    43,368.64/65,057.31 = 11,779.18/x
  3. Step 3: Cross multiply
    43,368.64x = 65,057.31 × 11,779.18
  4. Step 4: Simplify right side
    43,368.64x = 766,321,764.81
  5. Step 5: Solve for x
    x = 766,321,764.81/43,368.64
  6. Step 6: Final answer
    x = 17,669.95

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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.